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key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | based on these findings , einstein proposed that light behaved like a stream of photons with an energy of $ \text { e } =h\nu $ . the work function , $ \phi $ , is the minimum amount of energy required to induce photoemission of electrons from a specific metal surface . the energy of the incident photon must be equal t... | if the energy of light incident on the metal is lesser than the work function of the metal , then do the electrons absorb energy and get excited into the next energy level ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | if a single large wave were to shake the dock , we would expect the energy from the big wave would send the beach balls flying off the dock with much more kinetic energy compared to a single , small wave . this is also what physicists believed would happen if the light intensity was increased . light amplitude was expe... | is intensity the same as brightness ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | electric current remains constant as light frequency increases . electric current increases with light amplitude . the kinetic energy of photoelectrons remains constant as light amplitude increases . these results were completely at odds with the predictions based on the classical description of light as a wave ! | however , why does the current not increase when the kinetic energy increases ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | we can calculate the kinetic energy of the photoelectron using the equation that relates $ \text { ke } \text { electron } $ to the energy of the photon , $ \text { e } \text { photon } $ , and the work function , $ \phi $ : $ \text { e } \text { photon } =\text { ke } \text { electron } +\phi $ since we want to know $... | if the particles are moving faster , would n't that speed up the current ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | to explain the photoelectric effect using classical physics . this ultimately led to the development of the modern description of electromagnetic radiation , which has both wave-like and particle-like properties . predictions based on light as a wave to explain the photoelectric effect , 19th-century physicists theoriz... | is a photon a wave-like particle ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | the relationship between electron current and light frequency is illustrated in graph ( b ) above . is n't there more math somewhere ? we can analyze the frequency relationship using the law of conservation of energy . | so why do n't the metals in our home lose their electrons when we turn on the lights ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | when experiments were performed to look at the effect of light amplitude and frequency , the following results were observed : the kinetic energy of photoelectrons increases with light frequency . electric current remains constant as light frequency increases . electric current increases with light amplitude . the kine... | what is current of electrons ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | light frequency and the threshold frequency $ \nu_0 $ we can think of the incident light as a stream of photons with an energy determined by the light frequency . when a photon hits the metal surface , the photon 's energy is absorbed by an electron in the metal . the graphic below illustrates the relationship between ... | what will happen if the energy of the photon is just equal to the work function of the metal ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | we can analyze the frequency relationship using the law of conservation of energy . the total energy of the incoming photon , $ \text { e } \text { photon } $ , must be equal to the kinetic energy of the ejected electron , $ \text { ke } { \text { electron } } $ , plus the energy required to eject the electron from the... | will the electron be pulled back in the orbit of the atom ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | according to planck 's equation , the energy of a photon is proportional to the frequency of the light , $ \nu $ . the amplitude of the light is then proportional to the number of photons with a given frequency . concept check : as the wavelength of a photon increases , what happens to the photon 's energy ? | how is amplitude proportional to the number of photons with the same frequency ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | in this article , we will discuss how 19th century physicists attempted ( but failed ! ) to explain the photoelectric effect using classical physics . this ultimately led to the development of the modern description of electromagnetic radiation , which has both wave-like and particle-like properties . | why do only metals exhibit photoelectric effect ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | we can calculate the kinetic energy of the photoelectron using the equation that relates $ \text { ke } \text { electron } $ to the energy of the photon , $ \text { e } \text { photon } $ , and the work function , $ \phi $ : $ \text { e } \text { photon } =\text { ke } \text { electron } +\phi $ since we want to know $... | why does the current not increase with increasing frequency ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | we can also use this equation to find the photoelectron velocity $ \text v $ , which is related to $ \text { ke } _\text { electron } $ as follows : $ \text { ke } _\text { electron } =h\nu-\phi=\dfrac { 1 } { 2 } m_e\text v^2 $ where $ m_e $ is the rest mass of an electron , $ 9.1094 \times 10^ { -31 } \ , \text { kg ... | why photons are thrown on metals only ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | the amplitude of the light is then proportional to the number of photons with a given frequency . concept check : as the wavelength of a photon increases , what happens to the photon 's energy ? light frequency and the threshold frequency $ \nu_0 $ we can think of the incident light as a stream of photons with an energ... | what happens when an electron is hit by a photon of low frequency , not enough for emission or transition ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | when experiments were performed to look at the effect of light amplitude and frequency , the following results were observed : the kinetic energy of photoelectrons increases with light frequency . electric current remains constant as light frequency increases . electric current increases with light amplitude . the kine... | why does higher amplitude mean more current and same with frequency ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | electric current remains constant as light frequency increases . electric current increases with light amplitude . the kinetic energy of photoelectrons remains constant as light amplitude increases . | does high amplitude mean the photon hits cover more area and so hitting on more electrons thus releasing more electrons for higher current ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | imagine some beach balls sitting on a dock that extends out into the ocean . the dock represents a metal surface , the beach balls represent electrons , and the ocean waves represent light waves . if a single large wave were to shake the dock , we would expect the energy from the big wave would send the beach balls fly... | would two electromagnetic waves ( photons ) of the same frequency and same but opposite amplitude cancel each other out as sound waves and water waves do ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | we can also use this equation to find the photoelectron velocity $ \text v $ , which is related to $ \text { ke } _\text { electron } $ as follows : $ \text { ke } _\text { electron } =h\nu-\phi=\dfrac { 1 } { 2 } m_e\text v^2 $ where $ m_e $ is the rest mass of an electron , $ 9.1094 \times 10^ { -31 } \ , \text { kg ... | can photons be converted to mass ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | the relationship between electron current and light frequency is illustrated in graph ( b ) above . is n't there more math somewhere ? we can analyze the frequency relationship using the law of conservation of energy . | so why these metals we does n't use for solar panels ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | the energy of the incident photon must be equal to the sum of the metal 's work function and the photoelectron kinetic energy : $ \text { e } \text { photon } =\text { ke } \text { electron } +\phi $ introduction : what is the photoelectric effect ? when light shines on a metal , electrons can be ejected from the surfa... | is metal the only element that has the potential to release electrons from photoelectric effect ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | electric current remains constant as light frequency increases . electric current increases with light amplitude . the kinetic energy of photoelectrons remains constant as light amplitude increases . | how do you measure amplitude ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | the rate of electron emission , which is proportional to the measured electric current , should increase as the light frequency is increased . to help us understand why they made these predictions , we can compare a light wave to a water wave . imagine some beach balls sitting on a dock that extends out into the ocean ... | i know it is the distance from the top of a wave to the bottom of a wave , but how can you know that in any of these problems ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | light frequency and the threshold frequency $ \nu_0 $ we can think of the incident light as a stream of photons with an energy determined by the light frequency . when a photon hits the metal surface , the photon 's energy is absorbed by an electron in the metal . the graphic below illustrates the relationship between ... | what happens to the surface of the metal , does photon replace the electron ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | experiments showed that increasing the light frequency increased the kinetic energy of the photoelectrons , and increasing the light amplitude increased the current . based on these findings , einstein proposed that light behaved like a stream of photons with an energy of $ \text { e } =h\nu $ . the work function , $ \... | is the only reason for 'e- ' being loosely held by metals that they are located on left of periodic table i.e they have low ionisation energy or even loose helding of 'e- ' due distance from nucleus and screaning effect add to the reason ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | light frequency and the threshold frequency $ \nu_0 $ we can think of the incident light as a stream of photons with an energy determined by the light frequency . when a photon hits the metal surface , the photon 's energy is absorbed by an electron in the metal . the graphic below illustrates the relationship between ... | and do we get em radiation back when we throw 'e- ' on metal or any other substance with same energy ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | this is also what physicists believed would happen if the light intensity was increased . light amplitude was expected to be proportional to the light energy , so higher amplitude light was predicted to result in photoelectrons with more kinetic energy . classical physicists also predicted that increasing the frequency... | what happens to the electrons if there is large kinetic energy light ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | concept check : as the wavelength of a photon increases , what happens to the photon 's energy ? light frequency and the threshold frequency $ \nu_0 $ we can think of the incident light as a stream of photons with an energy determined by the light frequency . when a photon hits the metal surface , the photon 's energy ... | i know that work function is the energy required to free electrons whereas threshold frequency is the frequency of the light necessary for the photoelectric effect to occur.other than this can somebody please tell me if is there any other difference between them ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | when experiments were performed to look at the effect of light amplitude and frequency , the following results were observed : the kinetic energy of photoelectrons increases with light frequency . electric current remains constant as light frequency increases . electric current increases with light amplitude . | what is derivation of planck 's constant ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | concept check : as the wavelength of a photon increases , what happens to the photon 's energy ? light frequency and the threshold frequency $ \nu_0 $ we can think of the incident light as a stream of photons with an energy determined by the light frequency . when a photon hits the metal surface , the photon 's energy ... | what would happen if the frequency of light would be equal to the threshold frequency ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | based on the classical description of light as a wave , they made the following predictions : the kinetic energy of emitted photoelectrons should increase with the light amplitude . the rate of electron emission , which is proportional to the measured electric current , should increase as the light frequency is increas... | will there be a change in the rate of electron emission ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | we can calculate the kinetic energy of the photoelectron using the equation that relates $ \text { ke } \text { electron } $ to the energy of the photon , $ \text { e } \text { photon } $ , and the work function , $ \phi $ : $ \text { e } \text { photon } =\text { ke } \text { electron } +\phi $ since we want to know $... | the increase in the kinetic energy of electron will not lead to increase in the electric current ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | if a single large wave were to shake the dock , we would expect the energy from the big wave would send the beach balls flying off the dock with much more kinetic energy compared to a single , small wave . this is also what physicists believed would happen if the light intensity was increased . light amplitude was expe... | what is light if it is not matter ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | the relationship between electron current and light frequency is illustrated in graph ( b ) above . is n't there more math somewhere ? we can analyze the frequency relationship using the law of conservation of energy . | in the portion `` is n't there more math somewhere '' , will the choice of metal have an effect on the generated photoemission current ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | the amplitude of the light is then proportional to the number of photons with a given frequency . concept check : as the wavelength of a photon increases , what happens to the photon 's energy ? light frequency and the threshold frequency $ \nu_0 $ we can think of the incident light as a stream of photons with an energ... | if photon does not have any mass how it is structured as a quanta < packet of energy > , does it has any structure ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | if a single large wave were to shake the dock , we would expect the energy from the big wave would send the beach balls flying off the dock with much more kinetic energy compared to a single , small wave . this is also what physicists believed would happen if the light intensity was increased . light amplitude was expe... | would n't the amplitude also be a factor or the energy ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | concept check : as the wavelength of a photon increases , what happens to the photon 's energy ? light frequency and the threshold frequency $ \nu_0 $ we can think of the incident light as a stream of photons with an energy determined by the light frequency . when a photon hits the metal surface , the photon 's energy ... | what if the frequency of the light striking the metal surface is just equal to threshold frequency ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | thus , our intuition and analogy do n't do a very good job of explaining these particular experiments . example $ 1 $ : the photoelectric effect for copper the work function of copper metal is $ \phi=7.53\times10^ { -19 } \text { j } $ . if we shine light with a frequency of $ 3.0\times 10^ { 16 } \text { hz } $ on cop... | what is psi 's , the work function , relationship to the schrodinger equation ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | we can also use this equation to find the photoelectron velocity $ \text v $ , which is related to $ \text { ke } _\text { electron } $ as follows : $ \text { ke } _\text { electron } =h\nu-\phi=\dfrac { 1 } { 2 } m_e\text v^2 $ where $ m_e $ is the rest mass of an electron , $ 9.1094 \times 10^ { -31 } \ , \text { kg ... | is the wave amplitude a measure of the individual electron or the total combined brightness/intensity of all the photons ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | we can analyze the frequency relationship using the law of conservation of energy . the total energy of the incoming photon , $ \text { e } \text { photon } $ , must be equal to the kinetic energy of the ejected electron , $ \text { ke } { \text { electron } } $ , plus the energy required to eject the electron from the... | if the photons energy is exactly equal to the work function , can an electron be released with zero kinetic energy ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | we can also use this equation to find the photoelectron velocity $ \text v $ , which is related to $ \text { ke } _\text { electron } $ as follows : $ \text { ke } _\text { electron } =h\nu-\phi=\dfrac { 1 } { 2 } m_e\text v^2 $ where $ m_e $ is the rest mass of an electron , $ 9.1094 \times 10^ { -31 } \ , \text { kg ... | how does an increase in amplitude of the wave lead to more photons hitting the metal surface ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | thus , our intuition and analogy do n't do a very good job of explaining these particular experiments . example $ 1 $ : the photoelectric effect for copper the work function of copper metal is $ \phi=7.53\times10^ { -19 } \text { j } $ . if we shine light with a frequency of $ 3.0\times 10^ { 16 } \text { hz } $ on cop... | is there any connection between work function and electronegativity ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | concept check : as the wavelength of a photon increases , what happens to the photon 's energy ? light frequency and the threshold frequency $ \nu_0 $ we can think of the incident light as a stream of photons with an energy determined by the light frequency . when a photon hits the metal surface , the photon 's energy ... | i have seen graphs that show the photocurrent from higher frequency light , less than the photocurrent from lower frequency , why is that happening ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | the amplitude of the light is then proportional to the number of photons with a given frequency . concept check : as the wavelength of a photon increases , what happens to the photon 's energy ? light frequency and the threshold frequency $ \nu_0 $ we can think of the incident light as a stream of photons with an energ... | what is the size of a photon ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | we can also use this equation to find the photoelectron velocity $ \text v $ , which is related to $ \text { ke } _\text { electron } $ as follows : $ \text { ke } _\text { electron } =h\nu-\phi=\dfrac { 1 } { 2 } m_e\text v^2 $ where $ m_e $ is the rest mass of an electron , $ 9.1094 \times 10^ { -31 } \ , \text { kg ... | what is the relation between photons , frequency and amplitude ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | the amplitude of the light is then proportional to the number of photons with a given frequency . concept check : as the wavelength of a photon increases , what happens to the photon 's energy ? light frequency and the threshold frequency $ \nu_0 $ we can think of the incident light as a stream of photons with an energ... | does a photon has mass ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | light frequency and the threshold frequency $ \nu_0 $ we can think of the incident light as a stream of photons with an energy determined by the light frequency . when a photon hits the metal surface , the photon 's energy is absorbed by an electron in the metal . the graphic below illustrates the relationship between ... | and how can a photon with no mass knock out an electron , which has a mass ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | the amplitude of the light is then proportional to the number of photons with a given frequency . concept check : as the wavelength of a photon increases , what happens to the photon 's energy ? light frequency and the threshold frequency $ \nu_0 $ we can think of the incident light as a stream of photons with an energ... | if photons with high energy ( high frequency ) have high penetrating power , does a photon have a lower penetrating power ( and thus lower energy and frequency ) after penetrating a substance ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | the dock represents a metal surface , the beach balls represent electrons , and the ocean waves represent light waves . if a single large wave were to shake the dock , we would expect the energy from the big wave would send the beach balls flying off the dock with much more kinetic energy compared to a single , small w... | why we connect extra small potential difference with x ray tube ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | the energy of the incident photon must be equal to the sum of the work function and the kinetic energy of a photoelectron : $ \text { e } \text { photon } =\text { ke } \text { electron } +\phi $ try it ! when we shine light with a frequency of $ 6.20 \times 10^ { 14 } \ , \text { hz } $ on a mystery metal , we observe... | ( please do n't look if you have n't completed it ) ephoton=hv=6.626x10tpo the-34 j x 6.20x10 to the 14 =4.10812x10 to the power -19 j keelectron=hv - work function =4.10812x10 to the power -19 j - 3.28x10 to the power of -20 = 3.78012x10 to the power -19 do i have to do the 1/2 me v2 ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | the amplitude of the light is then proportional to the number of photons with a given frequency . concept check : as the wavelength of a photon increases , what happens to the photon 's energy ? light frequency and the threshold frequency $ \nu_0 $ we can think of the incident light as a stream of photons with an energ... | when a photon/em radiation comes into contact with an electron , what exactly happens at that moment ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | the energy required to free the electron from a particular metal is also called the metal 's work function , which is represented by the symbol $ \phi $ ( in units of $ \text j $ ) : $ \text { e } \text { photon } =\text { ke } \text { electron } +\phi $ like the threshold frequency $ \nu_0 $ , the value of $ \phi $ al... | how exactly is it transduced ? |
key points based on the wave model of light , physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons , while increasing the frequency would increase measured current . contrary to the predictions , experiments showed that increasing the light frequency increased... | we can also use this equation to find the photoelectron velocity $ \text v $ , which is related to $ \text { ke } _\text { electron } $ as follows : $ \text { ke } _\text { electron } =h\nu-\phi=\dfrac { 1 } { 2 } m_e\text v^2 $ where $ m_e $ is the rest mass of an electron , $ 9.1094 \times 10^ { -31 } \ , \text { kg ... | why does the higher amplitude generate more photons ? |
known locally as mezquita-catedral , the great mosque of cordoba is one of the oldest structures still standing from the time muslims ruled al-andalus ( muslim iberia including most of spain , portugal , and a small section of southern france ) in the late 8th century . cordoba is a two hour train ride south of madrid ... | orange trees still stand in the courtyard of the mosque of cordoba , a beautiful , if bittersweet reminder of the umayyad exile . the hypostyle hall the building itself was expanded over two hundred years . it is comprised of a large hypostyle prayer hall ( hypostyle means , filled with columns ) , a courtyard with a f... | how could one draw a comparison between this and a religious building such as the chartres catherdral ? |
known locally as mezquita-catedral , the great mosque of cordoba is one of the oldest structures still standing from the time muslims ruled al-andalus ( muslim iberia including most of spain , portugal , and a small section of southern france ) in the late 8th century . cordoba is a two hour train ride south of madrid ... | the mihrab the focal point in the prayer hall is the famous horseshoe arched mihrab or prayer niche . a mihrab is used in a mosque to identify the wall that faces mecca—the birth place of islam in what is now saudi arabia . this is practical as muslims face toward mecca during their daily prayers . | in time of abdul rahman iii .. was the mosque used by judges as a court ? |
known locally as mezquita-catedral , the great mosque of cordoba is one of the oldest structures still standing from the time muslims ruled al-andalus ( muslim iberia including most of spain , portugal , and a small section of southern france ) in the late 8th century . cordoba is a two hour train ride south of madrid ... | this is practical as muslims face toward mecca during their daily prayers . the mihrab in the great mosque of cordoba is framed by an exquisitely decorated arch behind which is an unusually large space , the size of a small room . gold tesserae ( small pieces of glass with gold and color backing ) create a dazzling com... | were the accused ones put behind bars there in front of the judges and the public waiting for the judge to say whether they r guilty or not ? |
known locally as mezquita-catedral , the great mosque of cordoba is one of the oldest structures still standing from the time muslims ruled al-andalus ( muslim iberia including most of spain , portugal , and a small section of southern france ) in the late 8th century . cordoba is a two hour train ride south of madrid ... | known locally as mezquita-catedral , the great mosque of cordoba is one of the oldest structures still standing from the time muslims ruled al-andalus ( muslim iberia including most of spain , portugal , and a small section of southern france ) in the late 8th century . cordoba is a two hour train ride south of madrid ... | what was life like during this time period ? |
known locally as mezquita-catedral , the great mosque of cordoba is one of the oldest structures still standing from the time muslims ruled al-andalus ( muslim iberia including most of spain , portugal , and a small section of southern france ) in the late 8th century . cordoba is a two hour train ride south of madrid ... | this astonishing building technique anticipates later gothic rib vaulting , though on a more modest scale . the great mosque of cordoba is a prime example of the muslim world 's ability to brilliantly develop architectural styles based on pre-existing regional traditions . here is an extraordinary combination of the fa... | what is the great mosque of cordoba currently used for ? |
known locally as mezquita-catedral , the great mosque of cordoba is one of the oldest structures still standing from the time muslims ruled al-andalus ( muslim iberia including most of spain , portugal , and a small section of southern france ) in the late 8th century . cordoba is a two hour train ride south of madrid ... | this astonishing building technique anticipates later gothic rib vaulting , though on a more modest scale . the great mosque of cordoba is a prime example of the muslim world 's ability to brilliantly develop architectural styles based on pre-existing regional traditions . here is an extraordinary combination of the fa... | what religion does the mosque of cordoba currently promote ? |
known locally as mezquita-catedral , the great mosque of cordoba is one of the oldest structures still standing from the time muslims ruled al-andalus ( muslim iberia including most of spain , portugal , and a small section of southern france ) in the late 8th century . cordoba is a two hour train ride south of madrid ... | the dome above the mihrab , is an equally dazzling dome . it is built of crisscrossing ribs that create pointed arches all lavishly covered with gold mosaic in a radial pattern . this astonishing building technique anticipates later gothic rib vaulting , though on a more modest scale . | how many arches in total are in the mosque ? |
known locally as mezquita-catedral , the great mosque of cordoba is one of the oldest structures still standing from the time muslims ruled al-andalus ( muslim iberia including most of spain , portugal , and a small section of southern france ) in the late 8th century . cordoba is a two hour train ride south of madrid ... | it is comprised of a large hypostyle prayer hall ( hypostyle means , filled with columns ) , a courtyard with a fountain in the middle , an orange grove , a covered walkway circling the courtyard , and a minaret ( a tower used to call the faithful to prayer ) that is now encased in a squared , tapered bell tower . the ... | how does the prayer hall inside the great mosque of cordoba , spain visually symbolize infinity ? |
known locally as mezquita-catedral , the great mosque of cordoba is one of the oldest structures still standing from the time muslims ruled al-andalus ( muslim iberia including most of spain , portugal , and a small section of southern france ) in the late 8th century . cordoba is a two hour train ride south of madrid ... | historians believe that there had first been a temple to the roman god , janus , on this site . the temple was converted into a church by invading visigoths who seized cordoba in 572 . next , the church was converted into a mosque and then completely rebuilt by the descendants of the exiled umayyads—the first islamic d... | why was only mezquita de cordoba preserved ? |
the chronology of mesopotamia is complicated . scholars refer to places ( sumer , for example ) and peoples ( the babylonians ) , but also empires ( babylonia ) and unfortunately for students of the ancient near east these organizing principles do not always agree . the result is that we might , for example , speak of ... | largely rebuilt this ancient city including its walls and seven gates . it is also during this era that nebuchadnezzar purportedly built the `` hanging gardens of babylon '' for his wife because she missed the gardens of her homeland in media ( modern day iran ) . though mentioned by ancient greek and roman writers , t... | what are the legends surrounding the 'hanging gardens of babylon ' ? |
the chronology of mesopotamia is complicated . scholars refer to places ( sumer , for example ) and peoples ( the babylonians ) , but also empires ( babylonia ) and unfortunately for students of the ancient near east these organizing principles do not always agree . the result is that we might , for example , speak of ... | it is also during this era that nebuchadnezzar purportedly built the `` hanging gardens of babylon '' for his wife because she missed the gardens of her homeland in media ( modern day iran ) . though mentioned by ancient greek and roman writers , the `` hanging gardens '' may , in fact , be legendary . the ishtar gate ... | why are the hanging gardens believed to be legendary ? |
the chronology of mesopotamia is complicated . scholars refer to places ( sumer , for example ) and peoples ( the babylonians ) , but also empires ( babylonia ) and unfortunately for students of the ancient near east these organizing principles do not always agree . the result is that we might , for example , speak of ... | the assyrian empire which had dominated the near east came to an end at around 600 b.c.e . due to a number of factors including military pressure by the medes ( a pastoral mountain people , again from the zagros mountain range ) , the babylonians , and possibly also civil war . a neo-babylonian dynasty the babylonians ... | what did people wear in these days ? |
the chronology of mesopotamia is complicated . scholars refer to places ( sumer , for example ) and peoples ( the babylonians ) , but also empires ( babylonia ) and unfortunately for students of the ancient near east these organizing principles do not always agree . the result is that we might , for example , speak of ... | they eventually ruled an empire as dominant in the near east as that held by the assyrians before them . this period is called neo-babylonian ( or new babylonia ) because babylon had also risen to power earlier and became an independent city-state , most famously during the reign of king hammurabi ( 1792-1750 b.c.e . )... | who was the best neo-babylonian ruler ? |
the chronology of mesopotamia is complicated . scholars refer to places ( sumer , for example ) and peoples ( the babylonians ) , but also empires ( babylonia ) and unfortunately for students of the ancient near east these organizing principles do not always agree . the result is that we might , for example , speak of ... | the result is that we might , for example , speak of the very ancient babylonians starting in the 1800s b.c.e . and then also the neo-babylonians more than a thousand years later . what came in between you ask ? | are neo-babylonians the same as the chaldeans ? |
the chronology of mesopotamia is complicated . scholars refer to places ( sumer , for example ) and peoples ( the babylonians ) , but also empires ( babylonia ) and unfortunately for students of the ancient near east these organizing principles do not always agree . the result is that we might , for example , speak of ... | the result is that we might , for example , speak of the very ancient babylonians starting in the 1800s b.c.e . and then also the neo-babylonians more than a thousand years later . what came in between you ask ? | why were they called neo babylonians were they a new generation of the babylonians ? |
the chronology of mesopotamia is complicated . scholars refer to places ( sumer , for example ) and peoples ( the babylonians ) , but also empires ( babylonia ) and unfortunately for students of the ancient near east these organizing principles do not always agree . the result is that we might , for example , speak of ... | largely rebuilt this ancient city including its walls and seven gates . it is also during this era that nebuchadnezzar purportedly built the `` hanging gardens of babylon '' for his wife because she missed the gardens of her homeland in media ( modern day iran ) . though mentioned by ancient greek and roman writers , t... | are the pastoral medes from media , where nebuchadnezzar 's wife was from ? |
the chronology of mesopotamia is complicated . scholars refer to places ( sumer , for example ) and peoples ( the babylonians ) , but also empires ( babylonia ) and unfortunately for students of the ancient near east these organizing principles do not always agree . the result is that we might , for example , speak of ... | they eventually ruled an empire as dominant in the near east as that held by the assyrians before them . this period is called neo-babylonian ( or new babylonia ) because babylon had also risen to power earlier and became an independent city-state , most famously during the reign of king hammurabi ( 1792-1750 b.c.e . )... | where is the neo-babylonian empire located ? |
our brains are so complex , and the way they work is still such a mystery . it is not surprising that most of us go about our day without giving them much of a second thought . that all changes if you have a stroke . a stroke is an interruption of the blood flow within your brain that causes the death of brain cells . ... | | cerebrum - right hemisphere | strokes in the right hemisphere typically cause problems with vision , depth perception , short-term memory loss , and judgement , as well as weakness or paralysis on the left side , and a tendency to ignore things on your left side including your own left arm and leg . | are you at incr... | under the heading `` are you at increased risk of having a stroke ? |
our brains are so complex , and the way they work is still such a mystery . it is not surprising that most of us go about our day without giving them much of a second thought . that all changes if you have a stroke . a stroke is an interruption of the blood flow within your brain that causes the death of brain cells . ... | the most important one for any kind of stroke is high blood pressure , which can damage and weaken your arteries so that they clog or burst more easily . high blood pressure is responsible for over 50 % of strokes. $ ^2 $ other important risk factors include atrial fibrillation , which means you an irregular heartbeat ... | apart from the missing `` have '' , could n't this wording be understood to mean that atrial fibrillation=irregular heartbeat , high cholesterol , diabetes , physical inactivity and smoking ? |
our brains are so complex , and the way they work is still such a mystery . it is not surprising that most of us go about our day without giving them much of a second thought . that all changes if you have a stroke . a stroke is an interruption of the blood flow within your brain that causes the death of brain cells . ... | | cerebrum - right hemisphere | strokes in the right hemisphere typically cause problems with vision , depth perception , short-term memory loss , and judgement , as well as weakness or paralysis on the left side , and a tendency to ignore things on your left side including your own left arm and leg . | are you at incr... | does it have anything to do with increased rate of smoking and salt intake ? |
our brains are so complex , and the way they work is still such a mystery . it is not surprising that most of us go about our day without giving them much of a second thought . that all changes if you have a stroke . a stroke is an interruption of the blood flow within your brain that causes the death of brain cells . ... | the occipital lobe processes the signals from our eyes and is primarily responsible for most things to do with sight . a stroke can happen in any part of the brain . around eight out of ten strokes are caused by a blockage due to a clot ( ischemic ) , while two out of ten are caused by a bleed ( hemorrhagic ) . $ ^1 $ ... | why does a stroke happen and is there anyway to prevent it ? |
our brains are so complex , and the way they work is still such a mystery . it is not surprising that most of us go about our day without giving them much of a second thought . that all changes if you have a stroke . a stroke is an interruption of the blood flow within your brain that causes the death of brain cells . ... | your doctor can also give you help with all of these if you need it . diagnosing and treating a stroke a stroke is a medical emergency ! the faster you get medical treatment the better . | what is the different between a stroke a n seizure ? |
our brains are so complex , and the way they work is still such a mystery . it is not surprising that most of us go about our day without giving them much of a second thought . that all changes if you have a stroke . a stroke is an interruption of the blood flow within your brain that causes the death of brain cells . ... | you can think of a mini-stroke as getting lucky because the blood clot quickly dissolved on its own . however , there ’ s no way to predict that is what will happen when another clot forms . while for many people there is no warning mini-stroke before a full stroke , if you do get one , there is a good chance that you ... | is there a way to prevent strokes to never happen in your body ? |
our brains are so complex , and the way they work is still such a mystery . it is not surprising that most of us go about our day without giving them much of a second thought . that all changes if you have a stroke . a stroke is an interruption of the blood flow within your brain that causes the death of brain cells . ... | the occipital lobe processes the signals from our eyes and is primarily responsible for most things to do with sight . a stroke can happen in any part of the brain . around eight out of ten strokes are caused by a blockage due to a clot ( ischemic ) , while two out of ten are caused by a bleed ( hemorrhagic ) . $ ^1 $ ... | when you have a stroke can it cause part of your body to go into shock and you become palatalized ? |
our brains are so complex , and the way they work is still such a mystery . it is not surprising that most of us go about our day without giving them much of a second thought . that all changes if you have a stroke . a stroke is an interruption of the blood flow within your brain that causes the death of brain cells . ... | loose blood clots are usually linked to atherosclerosis , a buildup of plaque ( a combination of fatty materials , calcium and scar tissue ) , on the inside walls of your arteries , which narrows them , and interferes with or blocks the flow of blood . blood clots form when a plaque ruptures . hemorrhagic strokes are l... | what would you call it and why do blood clots never seem to make it too other main arteries , just the brain and heart ? |
our brains are so complex , and the way they work is still such a mystery . it is not surprising that most of us go about our day without giving them much of a second thought . that all changes if you have a stroke . a stroke is an interruption of the blood flow within your brain that causes the death of brain cells . ... | there are two ways this can happen : a blood clot can block a blood vessel in the brain causing an ischemic stroke . if the clot dissolves quickly and the blockage is only temporary , it is called a transient ischemic attack ( tia ) or mini stroke . a blood vessel can leak or burst inside your brain causing a brain ble... | hi , why is cva an `` accident '' , and tia an `` attack '' ? |
our brains are so complex , and the way they work is still such a mystery . it is not surprising that most of us go about our day without giving them much of a second thought . that all changes if you have a stroke . a stroke is an interruption of the blood flow within your brain that causes the death of brain cells . ... | it is also involved in forming memories . the parietal lobe processes what we are seeing , hearing , smelling and touching , which lets us locate exactly where we are physically , and gives us hand-eye coordination . the temporal lobe controls hearing and memory , recognition of faces and languages , and is important f... | where did the parietal lobe definition go ? |
our brains are so complex , and the way they work is still such a mystery . it is not surprising that most of us go about our day without giving them much of a second thought . that all changes if you have a stroke . a stroke is an interruption of the blood flow within your brain that causes the death of brain cells . ... | the occipital lobe processes the signals from our eyes and is primarily responsible for most things to do with sight . a stroke can happen in any part of the brain . around eight out of ten strokes are caused by a blockage due to a clot ( ischemic ) , while two out of ten are caused by a bleed ( hemorrhagic ) . $ ^1 $ ... | is there a way that we can make stroke never happen in our body ? |
our brains are so complex , and the way they work is still such a mystery . it is not surprising that most of us go about our day without giving them much of a second thought . that all changes if you have a stroke . a stroke is an interruption of the blood flow within your brain that causes the death of brain cells . ... | these major arteries branch into a dense network of small blood vessels that covers the surface and thread their way throughout your brain tissue ensuring that every cell is well supplied . how your brain is organized and what can go wrong your brain is arranged into three parts , the brain stem , cerebellum and cerebr... | is it possible to live without certain areas of the brain , like the frontal lobe ? |
art history might seem like a relatively straightforward concept : “ art ” and “ history ” are subjects most of us first studied in elementary school . in practice , however , the idea of “ the history of art ” raises complex questions . what exactly do we mean by art , and what kind of history ( or histories ) should ... | art versus artifact the word “ art ” is derived from the latin ars , which originally meant “ skill ” or “ craft. ” these meanings are still primary in other english words derived from ars , such as “ artifact ” ( a thing made by human skill ) and “ artisan ” ( a person skilled at making things ) . the meanings of “ ar... | so , if art does n't have a straightforward definition , anything that is n't directly composed of a linear definition can become a piece ? |
overview the populists were an agrarian-based political movement aimed at improving conditions for the country ’ s farmers and agrarian workers . the populist movement was preceded by the farmer ’ s alliance and the grange . the people ’ s party was a political party founded in 1891 by leaders of the populist movement ... | the populist movement was preceded by the farmer ’ s alliance and the grange . the people ’ s party was a political party founded in 1891 by leaders of the populist movement . it fielded a candidate in the us presidential election of 1892 and garnered 8.5 % of the popular vote , which was a substantial amount of suppor... | why did the the populist party oppose the use of foreign labour ? |
overview the populists were an agrarian-based political movement aimed at improving conditions for the country ’ s farmers and agrarian workers . the populist movement was preceded by the farmer ’ s alliance and the grange . the people ’ s party was a political party founded in 1891 by leaders of the populist movement ... | the people ’ s party nominated james b. weaver , a former us representative from the state of iowa , as its candidate in the 1892 presidential election . campaigning on a platform designed to strengthen farmers and weaken the monopolistic power of big business , banks , and railroad corporations , the people ’ s party ... | what are corporations and conservationists and what was the conflict between corporations and conservationists with regard to natural resources ? |
overview the populists were an agrarian-based political movement aimed at improving conditions for the country ’ s farmers and agrarian workers . the populist movement was preceded by the farmer ’ s alliance and the grange . the people ’ s party was a political party founded in 1891 by leaders of the populist movement ... | it fielded a candidate in the us presidential election of 1892 and garnered 8.5 % of the popular vote , which was a substantial amount of support for a third party . the populists allied with the labor movement and were folded into the democratic party in 1896 , though a small remnant of the people ’ s party continued ... | who did the populists run in 1904 and 1908 ? |
overview the populists were an agrarian-based political movement aimed at improving conditions for the country ’ s farmers and agrarian workers . the populist movement was preceded by the farmer ’ s alliance and the grange . the people ’ s party was a political party founded in 1891 by leaders of the populist movement ... | the panic of 1873 depressed wages for workers , and the prices of agricultural products plummeted , saddling farmers with massive amounts of debt that they had little hope of paying off. $ ^3 $ the people ’ s party in 1891 , the people ’ s party , also known as the populist party , or populists , was formed as a politi... | how long did the farmer 's alliance last ? |
overview the populists were an agrarian-based political movement aimed at improving conditions for the country ’ s farmers and agrarian workers . the populist movement was preceded by the farmer ’ s alliance and the grange . the people ’ s party was a political party founded in 1891 by leaders of the populist movement ... | although the people ’ s party was formally disbanded in 1908 , the progressive movement would take up many of the goals and causes of populism , including anti-trust legislation , greater federal regulation of private industry , and stronger support for the nation ’ s agricultural and working classes. $ ^5 $ what do yo... | what , in the omaha platform , would appeal to groups other than farmers ? |
overview the populists were an agrarian-based political movement aimed at improving conditions for the country ’ s farmers and agrarian workers . the populist movement was preceded by the farmer ’ s alliance and the grange . the people ’ s party was a political party founded in 1891 by leaders of the populist movement ... | the populist movement was preceded by the farmer ’ s alliance and the grange . the people ’ s party was a political party founded in 1891 by leaders of the populist movement . it fielded a candidate in the us presidential election of 1892 and garnered 8.5 % of the popular vote , which was a substantial amount of suppor... | why people should support the populist movement instead of the 2 major political party ? |
excerpts from charles lyell , principles of geology charles lyell ( 1797 — 1875 ) was a british lawyer and the foremost geologist of his day . he is best known as the author of principles of geology . it popularized geologist james hutton ’ s concept of “ uniformitarianism ” — the idea that the earth was shaped by slow... | but since no one individual can be expert in so many subjects , it is necessary that men who have devoted their lives to different departments should unite their efforts . the historian receives assistance from experts on ancient times and from scholars of moral and political science . in the same way , the geologist s... | why a historian has to be acquainted with political science , jurisprudnece , military art ? |
excerpts from charles lyell , principles of geology charles lyell ( 1797 — 1875 ) was a british lawyer and the foremost geologist of his day . he is best known as the author of principles of geology . it popularized geologist james hutton ’ s concept of “ uniformitarianism ” — the idea that the earth was shaped by slow... | excerpts from charles lyell , principles of geology charles lyell ( 1797 — 1875 ) was a british lawyer and the foremost geologist of his day . he is best known as the author of principles of geology . | what is a time chart ? |
key points invasive species are species that have been introduced into areas outside their native range and can cause—or have caused—harm in their new area. $ ^1 $ invasive species may outcompete native species for resources or habitat , altering community structure and potentially leading to extinctions . asian carp i... | key points invasive species are species that have been introduced into areas outside their native range and can cause—or have caused—harm in their new area. $ ^1 $ invasive species may outcompete native species for resources or habitat , altering community structure and potentially leading to extinctions . asian carp i... | what damage can the european starling do ? |
key points invasive species are species that have been introduced into areas outside their native range and can cause—or have caused—harm in their new area. $ ^1 $ invasive species may outcompete native species for resources or habitat , altering community structure and potentially leading to extinctions . asian carp i... | in this article , we 'll look in more detail at what an invasive species is and how invasive species can disrupt ecosystems—often reducing the numbers of native species and altering the overall structure of the community . what is an invasive species ? an invasive species is a species that has been introduced to an are... | why do n't canada and america just make a dam just like other countries do for most invasive species ? |
for centuries , the roman forum ( forum romanum ) was the civic , juridical , and social heart of the ancient city of rome , a place where civic buildings , sacred buildings , and monuments were to be both found and admired . beginning in the first century b.c.e. , a new series of public spaces , also dubbed as fora ( ... | ( oxford : oxford university press , 2010 ) . f. coarelli et al. , the column of trajan ( rome : colombo , 2000 ) . r. darwall-smith , emperors and architecture : a study of flavian rome ( collection latomus ; 231 ) ( brussels : latomus , 1996 ) . | has there ever been talk of bringing the 'column of trajan ' indoors ? |
for centuries , the roman forum ( forum romanum ) was the civic , juridical , and social heart of the ancient city of rome , a place where civic buildings , sacred buildings , and monuments were to be both found and admired . beginning in the first century b.c.e. , a new series of public spaces , also dubbed as fora ( ... | vespasian came to power following civil chaos in 69 c.e . and , together with his eldest son , titus , suppressed the revolt and sacked the city of jerusalem . during the summer of 71 c.e . | also , was the `` sack '' of jerusalem the single most profitable sacking of a foreign city for the roman empire ? |
for centuries , the roman forum ( forum romanum ) was the civic , juridical , and social heart of the ancient city of rome , a place where civic buildings , sacred buildings , and monuments were to be both found and admired . beginning in the first century b.c.e. , a new series of public spaces , also dubbed as fora ( ... | for centuries , the roman forum ( forum romanum ) was the civic , juridical , and social heart of the ancient city of rome , a place where civic buildings , sacred buildings , and monuments were to be both found and admired . beginning in the first century b.c.e. , a new series of public spaces , also dubbed as fora ( ... | i wonder if those sorts of details are purely an aesthetic choice ? |
for centuries , the roman forum ( forum romanum ) was the civic , juridical , and social heart of the ancient city of rome , a place where civic buildings , sacred buildings , and monuments were to be both found and admired . beginning in the first century b.c.e. , a new series of public spaces , also dubbed as fora ( ... | the visual program in the forum of augustus is complex . the architectural sculpture adorning the temple of mars ultor inserts augustus into the julian family ( gens iulia ) by portraying augustus in the context of divinities ( mars , venus , and cupid ) and the deified mortal—julius caesar ( divus iulius ) . flanking ... | i ask , was the mars utor temple a throwback to an earlier style ? |
overview social darwinism is a term scholars use to describe the practice of misapplying the biological evolutionary language of charles darwin to politics , the economy , and society . many social darwinists embraced laissez-faire capitalism and racism . they believed that government should not interfere in the “ surv... | while darwin ’ s theory remains a cornerstone of modern biology to this day , the views of the social darwinists are no longer accepted , as they were based on an erroneous interpretation of the theory of evolution . social darwinism , poverty , and eugenics social darwinian language like this extended into theories of... | how do these ideas of a race being higher than another even come to be ? |
overview social darwinism is a term scholars use to describe the practice of misapplying the biological evolutionary language of charles darwin to politics , the economy , and society . many social darwinists embraced laissez-faire capitalism and racism . they believed that government should not interfere in the “ surv... | many whites believed that these new immigrants , who hailed from eastern or southern europe , were racially inferior and consequently `` less evolved '' than immigrants from england , ireland , or germany. $ ^5 $ similarly , social darwinism was used as a justification for american imperialism in cuba , puerto rico , a... | how is racial equality important ? |
overview social darwinism is a term scholars use to describe the practice of misapplying the biological evolutionary language of charles darwin to politics , the economy , and society . many social darwinists embraced laissez-faire capitalism and racism . they believed that government should not interfere in the “ surv... | herbert spencer gave as an example a young woman from upstate new york named margaret , whom he described as a “ gutter-child. ” because government aid had kept her alive , margaret had , as spencer wrote , “ proved to be the prolific mother ” of two hundred descendants who were “ idiots , imbeciles , drunkards , lunat... | apart from mass immigration to america , what other events caused the spread of social darwinism ? |
overview social darwinism is a term scholars use to describe the practice of misapplying the biological evolutionary language of charles darwin to politics , the economy , and society . many social darwinists embraced laissez-faire capitalism and racism . they believed that government should not interfere in the “ surv... | describe charles darwin ’ s theory of evolution in your own words . how does it differ from herbert spencer 's idea of social darwinism ? how did the ideas of social darwinism influence politics and society in the gilded age ? | were there any significant people or parties that disagreed with the idea of social darwinism ? |
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