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introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | at the beginning of the twentieth century , the discovery that energy is quantized led to the revelation that light is not only a wave , but can also be described as a collection of particles known as photons . photons carry discrete amounts of energy called quanta . this energy can be transferred to atoms and molecule... | also , how are photons absorbed ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | photons carry discrete amounts of energy called quanta . this energy can be transferred to atoms and molecules when photons are absorbed . atoms and molecules can also lose energy by emitting photons . | and how do atoms and molecules emit photons ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | the reverse of this process is also true . when an atom or molecule loses energy , it emits a photon that carries an energy exactly equal to the loss in energy of the atom or molecule . this change in energy is directly proportional to the frequency of photon emitted or absorbed . this relationship is given by planck ’... | but since frequency can have basically any numerical value , would n't that make the energy of a photon continuous then ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . | is there a difference between these notations ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | in actuality , light seemed to have both wavelike and particle-like properties . the photon planck ’ s discoveries paved the way for the discovery of the photon . a photon is the elementary particle , or quantum , of light . | what is this photon made of ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . | what exactly is electromagnetic radiation ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | example : calculating the energy of a photon a photon has a frequency of $ 2.0\times10^ { 24 } \text { hz } $ . what is the energy of this photon ? first , we can apply planck 's equation . | but where does photon get its energy from ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | at the beginning of the twentieth century , the discovery that energy is quantized led to the revelation that light is not only a wave , but can also be described as a collection of particles known as photons . photons carry discrete amounts of energy called quanta . this energy can be transferred to atoms and molecule... | does n't gamma stand for photons ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | the swell of a wave in the ocean , and the subsequent dip that follows , is simply a vibration or oscillation of the water at the ocean ’ s surface . electromagnetic waves are similar , but they are also distinct in that they actually consist of $ 2 $ waves oscillating perpendicular to one another . one of the waves is... | does that mean cathode rays are also electromagnetic waves ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | next , we will talk about the relationship between a wave ’ s frequency and its energy . quantization of energy and the dual nature of light we have already described how light travels through space as a wave . this has been well-known for quite some time ; in fact , the dutch physicist christiaan huygens first describ... | as there is both electric and magnetic waves ( which are involved with electrons ) , does light wave carry electrons ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | these lengths can be visualized as follows : keep in mind that some waves ( including electromagnetic waves ) also oscillate in space , and therefore they are oscillating at a given position as time passes . the quantity known as the wave ’ s frequency refers to the number of full wavelengths that pass by a given point... | is n't herz cycles per second.. ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | luckily though , our atmosphere absorbs gamma rays from outer space , thereby protecting us from harm . next , we will talk about the relationship between a wave ’ s frequency and its energy . quantization of energy and the dual nature of light we have already described how light travels through space as a wave . | does this mean that the amount of energy in each photon is different depending on the frequency of the electromagnetic wave ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | now that we have an understanding of some basic properties of waves , we ’ ll look at the different types of electromagnetic radiation . the electromagnetic spectrum electromagnetic waves can be classified and arranged according to their various wavelengths/frequencies ; this classification is known as the electromagne... | since different frequencies can be shown in a spectrum ( continuous ) , does that mean the amount of energy one photon can have can be described using a spectrum as well ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | at the beginning of the twentieth century , the discovery that energy is quantized led to the revelation that light is not only a wave , but can also be described as a collection of particles known as photons . photons carry discrete amounts of energy called quanta . this energy can be transferred to atoms and molecule... | are photons basically `` energy packets '' ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | this energy can be transferred to atoms and molecules when photons are absorbed . atoms and molecules can also lose energy by emitting photons . | also , do photons only come from atoms that lose energy ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | their product is the constant $ c $ , the speed of light , which is equal to $ 3.00\times10^8 \text { m/s } $ . this relationship reflects an important fact : all electromagnetic radiation , regardless of wavelength or frequency , travels at the speed of light . to illustrate the relationship between frequency and wave... | why are both f and v symbols being used for the frequency of an electromagnetic wave ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | because energy is quantized , the photon ’ s entire energy is transferred ( remember that we can not transfer fractions of quanta , which are the smallest possible individual “ energy packets ” ) . the reverse of this process is also true . when an atom or molecule loses energy , it emits a photon that carries an energ... | is emr also moving back and forth ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | at the beginning of the twentieth century , the discovery that energy is quantized led to the revelation that light is not only a wave , but can also be described as a collection of particles known as photons . photons carry discrete amounts of energy called quanta . this energy can be transferred to atoms and molecule... | are photons are basically packets of energy ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | this relationship is given by planck ’ s famous equation : $ e=h\nu $ where $ e $ is the energy of the photon absorbed or emitted ( given in joules , $ \text { j } $ ) , $ \nu $ is frequency of the photon ( given in hertz , $ \text { hz } $ ) , and $ h $ is planck ’ s constant , $ 6.626\times10^ { -34 } \text { j } \cd... | einstein 's equation e=mc^2 and e^2=p^2*c^2+m^2*c^4 have mass components ( including p ) then , what kind of energy does it have ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . | how does the arrangement of the electrons change the absorption of electromagnetic radiation or the emission of electromagnetic radiation ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | their product is the constant $ c $ , the speed of light , which is equal to $ 3.00\times10^8 \text { m/s } $ . this relationship reflects an important fact : all electromagnetic radiation , regardless of wavelength or frequency , travels at the speed of light . to illustrate the relationship between frequency and wave... | if light travels more slowly in water , glass and other materials , than it does in air and changes wavelength when it goes from one medium to another , how come the frequency does not change ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | when an atom or molecule loses energy , it emits a photon that carries an energy exactly equal to the loss in energy of the atom or molecule . this change in energy is directly proportional to the frequency of photon emitted or absorbed . this relationship is given by planck ’ s famous equation : $ e=h\nu $ where $ e $... | i would think that 'more slowly ' means a change in frequency ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | ( hint : keep in mind what you have already learned about the relationship between wavelength and frequency . ) conclusion electromagnetic radiation can be described by its amplitude ( brightness ) , wavelength , frequency , and period . by the equation $ e=h\nu $ , we have seen how the frequency of a light wave is pro... | if amplitude is more then wavelength will be less ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | the quantity known as the wave ’ s frequency refers to the number of full wavelengths that pass by a given point in space every second ; the si unit for frequency is hertz $ ( \text { hz } ) $ , which is equivalent to “ per seconds ” $ \big ( $ written as $ \dfrac { 1 } { \text { s } } $ or $ \text { s } ^ { -1 } \big ... | does the wavelength and the frequency changes while refraction ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | this all changed in $ 1900 $ , however , when the physicist max planck began studying blackbodies – bodies heated until they began to glow . planck found that the electromagnetic radiation emitted by blackbodies could not be explained by classical physics , which postulated that matter could absorb or emit any quantity... | why ca n't the anode emit electrons ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | ( hint : keep in mind what you have already learned about the relationship between wavelength and frequency . ) conclusion electromagnetic radiation can be described by its amplitude ( brightness ) , wavelength , frequency , and period . by the equation $ e=h\nu $ , we have seen how the frequency of a light wave is pro... | how is amplitude related to brightness ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . | so does this mean that electromagnetic radiations/waves is not matter ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | because they were considered to be in different categories , scientists did not have a good understanding of how light and matter interacted . this all changed in $ 1900 $ , however , when the physicist max planck began studying blackbodies – bodies heated until they began to glow . planck found that the electromagneti... | in planck 's research , what sort of waves were emitted by the blackbodies ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | the following table shows us this spectrum , which consists of all the types of electromagnetic radiation that exist in our universe . as we can see , the visible spectrum—that is , light that we can see with our eyes—makes up only a small fraction of the different types of radiation that exist . to the right of the vi... | how many photons does an atom have to emit ( with energy corresponding to any of the waves of the visible spectrum ) for the human eye to see light ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | as we can see , the visible spectrum—that is , light that we can see with our eyes—makes up only a small fraction of the different types of radiation that exist . to the right of the visible spectrum , we find the types of energy that are lower in frequency ( and thus longer in wavelength ) than visible light . these t... | in rainbow , how come the refraction of light through droplets in atmosphere create a continious visible spectrum of light ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | their product is the constant $ c $ , the speed of light , which is equal to $ 3.00\times10^8 \text { m/s } $ . this relationship reflects an important fact : all electromagnetic radiation , regardless of wavelength or frequency , travels at the speed of light . to illustrate the relationship between frequency and wave... | what is the highest frequency a light wave can have ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | at the beginning of the twentieth century , the discovery that energy is quantized led to the revelation that light is not only a wave , but can also be described as a collection of particles known as photons . photons carry discrete amounts of energy called quanta . this energy can be transferred to atoms and molecule... | what is the source of photons in an atom of an element ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | photons carry discrete amounts of energy called quanta . this energy can be transferred to atoms and molecules when photons are absorbed . atoms and molecules can also lose energy by emitting photons . | does this mean that electromagnetic waves are produced only when atoms and molecules release photons ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | planck ’ s discovery that electromagnetic radiation is quantized forever changed the idea that light behaves purely as a wave . in actuality , light seemed to have both wavelike and particle-like properties . the photon planck ’ s discoveries paved the way for the discovery of the photon . | how do you pronounce the greek symbol that looks like the letter v ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | electromagnetic waves are similar , but they are also distinct in that they actually consist of $ 2 $ waves oscillating perpendicular to one another . one of the waves is an oscillating magnetic field ; the other is an oscillating electric field . this can be visualized as follows : while it ’ s good to have a basic un... | just need a little help , what exaclty is a magnetic , or electric field ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | at the beginning of the twentieth century , the discovery that energy is quantized led to the revelation that light is not only a wave , but can also be described as a collection of particles known as photons . photons carry discrete amounts of energy called quanta . this energy can be transferred to atoms and molecule... | so are photons the source of energy for all em waves ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | to the right of the visible spectrum , we find the types of energy that are lower in frequency ( and thus longer in wavelength ) than visible light . these types of energy include infrared ( ir ) rays ( heat waves given off by thermal bodies ) , microwaves , and radio waves . these types of radiation surround us consta... | are em waves produced from photons and if so , always ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | this has been well-known for quite some time ; in fact , the dutch physicist christiaan huygens first described the wave nature of light as far back as the late seventeenth century . for about $ 200 $ years after huygens , physicists assumed that light waves and matter were quite distinct from one another . according t... | does light bend from one place to other ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | conclusion electromagnetic radiation can be described by its amplitude ( brightness ) , wavelength , frequency , and period . by the equation $ e=h\nu $ , we have seen how the frequency of a light wave is proportional to its energy . at the beginning of the twentieth century , the discovery that energy is quantized led... | why do they say energy is quantized if in the equation e = hv , v the frequency is continuous ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . | if so does that mean that a packet of electromagnetic wave flowing through space can have any level of energy ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | we can think of quanta as being like “ pennies ” of electromagnetic energy—the smallest possible units by which such energy can be transferred . planck ’ s discovery that electromagnetic radiation is quantized forever changed the idea that light behaves purely as a wave . in actuality , light seemed to have both waveli... | i did n't get how ''planck 's discovery that electromagnetic radiation is quantised '' meant that light also has particle like nature ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | what is the wavelength of this wave ? we can start with our equation that relates frequency , wavelength , and the speed of light . $ c=\lambda \nu $ next , we rearrange the equation to solve for wavelength . | would the speed of light coming from the flashlight be equal to the speed of the spaceship plus the speed of light coming from the flashlight ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | next , we will talk about the relationship between a wave ’ s frequency and its energy . quantization of energy and the dual nature of light we have already described how light travels through space as a wave . this has been well-known for quite some time ; in fact , the dutch physicist christiaan huygens first describ... | so how fast is light ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | in actuality , light seemed to have both wavelike and particle-like properties . the photon planck ’ s discoveries paved the way for the discovery of the photon . a photon is the elementary particle , or quantum , of light . as we will soon see , photons can be absorbed or emitted by atoms and molecules . | if photon is a particle .why is mass of photon zero ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | the reverse of this process is also true . when an atom or molecule loses energy , it emits a photon that carries an energy exactly equal to the loss in energy of the atom or molecule . this change in energy is directly proportional to the frequency of photon emitted or absorbed . this relationship is given by planck ’... | if photon is a particle , so , what is meant by its energy in terms of frequency ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | this all changed in $ 1900 $ , however , when the physicist max planck began studying blackbodies – bodies heated until they began to glow . planck found that the electromagnetic radiation emitted by blackbodies could not be explained by classical physics , which postulated that matter could absorb or emit any quantity... | is black hole radiation similar to black body radiation or else it is shows any principle and i also want if there is any another principle ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | the photon planck ’ s discoveries paved the way for the discovery of the photon . a photon is the elementary particle , or quantum , of light . as we will soon see , photons can be absorbed or emitted by atoms and molecules . | a photon does not even have a mass , how is it a particle ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | before we talk about that , however , it ’ s necessary to talk a little bit more about the physical properties of light waves . basic properties of waves : amplitude , wavelength , and frequency as you might already know , a wave has a trough ( lowest point ) and a crest ( highest point ) . the vertical distance betwee... | in the graph representing amplitude of a wave how can crest+trough be wavelength when the axis represents time ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | when an atom or molecule loses energy , it emits a photon that carries an energy exactly equal to the loss in energy of the atom or molecule . this change in energy is directly proportional to the frequency of photon emitted or absorbed . this relationship is given by planck ’ s famous equation : $ e=h\nu $ where $ e $... | and what happens to a photon once it 's absorbed ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | at the beginning of the twentieth century , the discovery that energy is quantized led to the revelation that light is not only a wave , but can also be described as a collection of particles known as photons . photons carry discrete amounts of energy called quanta . this energy can be transferred to atoms and molecule... | are photons used in case of lights and with reference to other radiations quanta is used ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | at the beginning of the twentieth century , the discovery that energy is quantized led to the revelation that light is not only a wave , but can also be described as a collection of particles known as photons . photons carry discrete amounts of energy called quanta . this energy can be transferred to atoms and molecule... | when atoms absorb energy from photons what does it do to them/what does it allow them to do ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | at the beginning of the twentieth century , the discovery that energy is quantized led to the revelation that light is not only a wave , but can also be described as a collection of particles known as photons . photons carry discrete amounts of energy called quanta . this energy can be transferred to atoms and molecule... | say an iron atom absorbs a bunch of photons , does it start glowing , or what 's the outcome ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | ( hint : keep in mind what you have already learned about the relationship between wavelength and frequency . ) conclusion electromagnetic radiation can be described by its amplitude ( brightness ) , wavelength , frequency , and period . by the equation $ e=h\nu $ , we have seen how the frequency of a light wave is pro... | a wavelength with more crests over a given period will oscillate slower than a wavelength with less crests over the same period ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | as we will soon see , photons can be absorbed or emitted by atoms and molecules . when a photon is absorbed , its energy is transferred to that atom or molecule . because energy is quantized , the photon ’ s entire energy is transferred ( remember that we can not transfer fractions of quanta , which are the smallest po... | what happens to the photon after transfer of energy ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | in actuality , light seemed to have both wavelike and particle-like properties . the photon planck ’ s discoveries paved the way for the discovery of the photon . a photon is the elementary particle , or quantum , of light . | what is the mass of a photon ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | this energy can be transferred to atoms and molecules when photons are absorbed . atoms and molecules can also lose energy by emitting photons . | also , if an atom/molecule receives more photons , does that increase its amount of electrons ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | why does an x-ray sheet turn black if used to wrap uranium ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | electromagnetic waves are similar , but they are also distinct in that they actually consist of $ 2 $ waves oscillating perpendicular to one another . one of the waves is an oscillating magnetic field ; the other is an oscillating electric field . this can be visualized as follows : while it ’ s good to have a basic un... | is the amplitude of the electrical field and magnetic field of a electromagnetic wave always same ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | we can think of quanta as being like “ pennies ” of electromagnetic energy—the smallest possible units by which such energy can be transferred . planck ’ s discovery that electromagnetic radiation is quantized forever changed the idea that light behaves purely as a wave . in actuality , light seemed to have both waveli... | could someone tell me how max planck discovered quantized nature of light ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | $ e= ( 6.626\times10^ { -34 } \text { j } \cdot\cancel { \text { s } } ) \times ( 2.0\times 10^ { 24 } \cancel { \text { s } ^ { -1 } } ) =1.3\times10^ { -9 } \text { j } $ concept check : the wavelength of orange light is about $ 590-635\text { nm } $ , and the wavelength of green light is about $ 520-560\text { nm } ... | what do you mean by energetic in the question asked in concept check ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | in actuality , light seemed to have both wavelike and particle-like properties . the photon planck ’ s discoveries paved the way for the discovery of the photon . a photon is the elementary particle , or quantum , of light . | what is the formula for momentum of a photon ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | just as we can not pay the cashier at the store half of a cent , energy can not be transferred in anything less than a single quantum . we can think of quanta as being like “ pennies ” of electromagnetic energy—the smallest possible units by which such energy can be transferred . planck ’ s discovery that electromagnet... | so the force , like tension , is a kind of incontinuous energy ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | period the last quantity we will consider is the period of a wave . a wave ’ s period is the length of time it takes for one wavelength to pass by a given point in space . mathematically , the period ( $ t $ ) is simply the reciprocal of the wave ’ s frequency ( $ f $ ) : $ t=\dfrac { 1 } { f } $ the units of period ar... | wave is just a graph of the intensity of energy at the given point in space right ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | example : calculating the wavelength of a light wave a particular wave of electromagnetic radiation has a frequency of $ 1.5\times10^ { 14 } \text { hz } $ . what is the wavelength of this wave ? we can start with our equation that relates frequency , wavelength , and the speed of light . | and 'on the graph only ' the wavelength concept is explained right ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | when a photon is absorbed , its energy is transferred to that atom or molecule . because energy is quantized , the photon ’ s entire energy is transferred ( remember that we can not transfer fractions of quanta , which are the smallest possible individual “ energy packets ” ) . the reverse of this process is also true ... | but with what instrument was this up and down of energy level detected ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | electromagnetic waves are similar , but they are also distinct in that they actually consist of $ 2 $ waves oscillating perpendicular to one another . one of the waves is an oscillating magnetic field ; the other is an oscillating electric field . this can be visualized as follows : while it ’ s good to have a basic un... | how did we know that there is an electric field and a magnetic field ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | planck found that the electromagnetic radiation emitted by blackbodies could not be explained by classical physics , which postulated that matter could absorb or emit any quantity of electromagnetic radiation . planck observed that matter actually absorbed or emitted energy only in whole-number multiples of the value $... | when planck discovered that the energy emitted/absorbed were multiples of 'hv ' , that is a constant times frequency , what frequency did he take into account ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | when an atom or molecule loses energy , it emits a photon that carries an energy exactly equal to the loss in energy of the atom or molecule . this change in energy is directly proportional to the frequency of photon emitted or absorbed . this relationship is given by planck ’ s famous equation : $ e=h\nu $ where $ e $... | when energy is absorbed/emitted , thousands of light waves are involved and each wave has a different frequency , which one did he take ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | $ \lambda=\dfrac { 3.00\times10^8\dfrac { \text { m } } { \cancel { \text { s } } } } { 1.5\times10^ { 14 } \dfrac { 1 } { \cancel { \text { s } } } } =2.00\times10^ { -6 } \text { m } $ concept check : what would you expect to happen to the frequency of a light wave if its wavelength were increased by a factor of $ 10... | is n't the wavelength measured on the spatial axis of the wave , rather than on its time axis , where its equivalent is the period ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | for about $ 200 $ years after huygens , physicists assumed that light waves and matter were quite distinct from one another . according to classical physics , matter was composed of particles that had mass , and whose position in space could be known ; light waves , on the other hand , were considered to have zero mass... | or is it just that the axis should have been `` space '' ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | when a photon is absorbed , its energy is transferred to that atom or molecule . because energy is quantized , the photon ’ s entire energy is transferred ( remember that we can not transfer fractions of quanta , which are the smallest possible individual “ energy packets ” ) . the reverse of this process is also true ... | is only energy of em waves quantised or even other forms of energy i.e in projectile motion or rectilinear motion or any other motion , ca n't m ( mass ) and v ( velocitie ) and take any value giving any value for energy e= ( mv^2 ) /2 ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | next , we will talk about the relationship between a wave ’ s frequency and its energy . quantization of energy and the dual nature of light we have already described how light travels through space as a wave . this has been well-known for quite some time ; in fact , the dutch physicist christiaan huygens first describ... | what is effect of light with eye ? |
introduction to electromagnetic waves electromagnetic radiation is one of the many ways that energy travels through space . the heat from a burning fire , the light from the sun , the x-rays used by your doctor , as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation . while t... | this all changed in $ 1900 $ , however , when the physicist max planck began studying blackbodies – bodies heated until they began to glow . planck found that the electromagnetic radiation emitted by blackbodies could not be explained by classical physics , which postulated that matter could absorb or emit any quantity... | what type of radiation is this ? |
1 . describe the plate motions along the himalayan mountains . do you think these mountains are getting larger , smaller , or staying the same ? explain your answer . answer : along the himalayan mountains , two plates are pushing into each other . since both plates have continental crust at this boundary , they crumpl... | write a caption for this map . answer : the pacific plate is sinking beneath the north american plate , forming a subduction zone along the plate boundary shown as the red line with triangles . the sinking pacific plate causes the mantle above it to melt and form magma , which rises to form the aleutian island arc , a ... | what factors can cause the land at one convergent plate boundary to look very different from that at another convergent plate boundary ? |
1 . describe the plate motions along the himalayan mountains . do you think these mountains are getting larger , smaller , or staying the same ? explain your answer . answer : along the himalayan mountains , two plates are pushing into each other . since both plates have continental crust at this boundary , they crumpl... | 1 . describe the plate motions along the himalayan mountains . | what is the tectonic setting of the u.s. ? |
high school is full of activity . whether you play sports , act in school plays , have a job , take care of siblings , or are taking hard classes - or even doing more than one of these things ! - you have almost certainly looked at the clock before and been shocked by how little time you have to get everything done . t... | write down the main things you need to get done in those subjects . concentrate on the most important one first . sometimes i tend to get pretty overwhelmed by certain projects and assignments and studying so when i go through each subject i split up the work into very simple steps , then i 'm not nearly as worried abo... | also , is it important to take the psat/nmsqt ? |
high school is full of activity . whether you play sports , act in school plays , have a job , take care of siblings , or are taking hard classes - or even doing more than one of these things ! - you have almost certainly looked at the clock before and been shocked by how little time you have to get everything done . t... | while you may not be able to cut down on all of your responsibilities during sat practice time , there are some ways you can structure your planning and studying to keep things going smoothly and ensuring that nothing gets left by the wayside . several high school students offered up some of their time management sugge... | i have just under two and a half months before my fourth and final sat , what should my study plan look like ? |
high school is full of activity . whether you play sports , act in school plays , have a job , take care of siblings , or are taking hard classes - or even doing more than one of these things ! - you have almost certainly looked at the clock before and been shocked by how little time you have to get everything done . t... | whether you play sports , act in school plays , have a job , take care of siblings , or are taking hard classes - or even doing more than one of these things ! - you have almost certainly looked at the clock before and been shocked by how little time you have to get everything done . throw sat prep into the mix , and i... | how much time should we devote daily for the preparation of sat for a year ? |
in ancient rome equestrian statues of emperors would not have been uncommon sights in the city—late antique sources suggest that at least 22 of these “ great horses ” ( equi magni ) were to be seen—as they were official devices for honoring the emperor for singular military and civic achievements . the statues themselv... | and shows a still youthful type , although marcus now has light facial hair ( left ) . in the case of the equestrian statue , the portrait typology offers the best means of assigning an approximate date to the object since it does not otherwise offer another means of dating . the earliest portrait of marcus aurelius da... | is there a process for chemically or otherwise scientifically dating metal ? |
in ancient rome equestrian statues of emperors would not have been uncommon sights in the city—late antique sources suggest that at least 22 of these “ great horses ” ( equi magni ) were to be seen—as they were official devices for honoring the emperor for singular military and civic achievements . the statues themselv... | it is obvious that the statue is part of an elaborate public monument , no doubt commissioned to mark an important occasion in the emperor ’ s reign . with that said , however , it must also be noted that scholars continue to debate its precise dating , the occasion for its creation , and its likely original location i... | we know ways of carbon dating as well as ring counting on wood objects for dating , but what about metal ? |
in ancient rome equestrian statues of emperors would not have been uncommon sights in the city—late antique sources suggest that at least 22 of these “ great horses ” ( equi magni ) were to be seen—as they were official devices for honoring the emperor for singular military and civic achievements . the statues themselv... | the horse wears a harness , some elements of which have not survived . the horse is saddled with a persian-style saddlecloth of several layers , as opposed to a rigid saddle . it should be noted that the horse is an important and expressive element of the overall composition . | why would the roman emperor have a persian-style saddlecloth ? |
in ancient rome equestrian statues of emperors would not have been uncommon sights in the city—late antique sources suggest that at least 22 of these “ great horses ” ( equi magni ) were to be seen—as they were official devices for honoring the emperor for singular military and civic achievements . the statues themselv... | scholars continue to debate whether he originally held some attached figure or object in the palm of the left hand ; possible suggestions have included a scepter , a globe , a statue of victory – but there is no clear indication of any attachment point for such an object . on the left hand the rider does wear the senat... | what evidence supports the statement that it is a senatorial ring ? |
in ancient rome equestrian statues of emperors would not have been uncommon sights in the city—late antique sources suggest that at least 22 of these “ great horses ” ( equi magni ) were to be seen—as they were official devices for honoring the emperor for singular military and civic achievements . the statues themselv... | the equestrian statue still plays a role as an official symbol of the city of rome , even being incorporated into the reverse image of the italian version of the € 0.50 coin ( image above ) . the statue itself remained where michelangelo positioned it until it was moved indoors in 1981 for conservation reasons ; a high... | of what is the high tech modern copy composed ? |
key points the size of a nation ’ s economy is commonly expressed as its gross domestic product , or gdp , which measures the value of the output of all goods and services produced within the country in a year . gdp is measured by taking the quantities of all goods and services produced , multiplying them by their pric... | what are the main components of measuring gdp with what is produced ? would you usually expect gdp as measured by what is demanded to be greater than gdp measured by what is supplied , or the reverse ? why must double counting be avoided when measuring gdp ? problem last year , a small nation with abundant forests cut ... | in answering the problem at the bottom would the nations gdp who cut down the trees to make lumber and bookshelves be $ 400 ? |
key points the size of a nation ’ s economy is commonly expressed as its gross domestic product , or gdp , which measures the value of the output of all goods and services produced within the country in a year . gdp is measured by taking the quantities of all goods and services produced , multiplying them by their pric... | what are the main components of measuring gdp with what is produced ? would you usually expect gdp as measured by what is demanded to be greater than gdp measured by what is supplied , or the reverse ? why must double counting be avoided when measuring gdp ? | would you usually expect gdp as measured by what is demanded to be greater than gdp measured by what is supplied , or the reverse ? |
key points the size of a nation ’ s economy is commonly expressed as its gross domestic product , or gdp , which measures the value of the output of all goods and services produced within the country in a year . gdp is measured by taking the quantities of all goods and services produced , multiplying them by their pric... | the value of what businesses provide to other businesses is captured in the final products at the end of the production chain . || counting gdp || what is counted in gdp | what is not included in gdp - | - consumption | intermediate goods business investment | transfer payments and non-market activities government spen... | if only new goods and services count toward gdp , does that mean that jobs and the salaries that they pay to get counted to gdp in the year the jobs are created and never again for as long as the jobs exist ? |
key points the size of a nation ’ s economy is commonly expressed as its gross domestic product , or gdp , which measures the value of the output of all goods and services produced within the country in a year . gdp is measured by taking the quantities of all goods and services produced , multiplying them by their pric... | statisticians who calculate gdp must avoid the mistake of double counting—counting output more than once as it travels through the stages of production . for example , imagine what would happen if government statisticians first counted the value of tires produced by a tire manufacturer and then counted the value of a n... | secondly , does an increase in the market value of a job over time not due to inflation also not count toward the gdps of the years other than that when the job was first created ? |
key points the size of a nation ’ s economy is commonly expressed as its gross domestic product , or gdp , which measures the value of the output of all goods and services produced within the country in a year . gdp is measured by taking the quantities of all goods and services produced , multiplying them by their pric... | the value of what businesses provide to other businesses is captured in the final products at the end of the production chain . || counting gdp || what is counted in gdp | what is not included in gdp - | - consumption | intermediate goods business investment | transfer payments and non-market activities government spen... | do music downloads contribute to the gdp ? |
key points the size of a nation ’ s economy is commonly expressed as its gross domestic product , or gdp , which measures the value of the output of all goods and services produced within the country in a year . gdp is measured by taking the quantities of all goods and services produced , multiplying them by their pric... | gdp can be measured either by the sum of what is purchased in the economy or by what is produced . demand can be divided into consumption , investment , government , exports , and imports . what is produced in the economy can be divided into durable goods , nondurable goods , services , structures , and inventories . | why do we use the term `` net exports '' and group their calculation together , if we are really subtracting imports from consumption ( to avoid double counting ) ? |
key points the size of a nation ’ s economy is commonly expressed as its gross domestic product , or gdp , which measures the value of the output of all goods and services produced within the country in a year . gdp is measured by taking the quantities of all goods and services produced , multiplying them by their pric... | key points the size of a nation ’ s economy is commonly expressed as its gross domestic product , or gdp , which measures the value of the output of all goods and services produced within the country in a year . gdp is measured by taking the quantities of all goods and services produced , multiplying them by their pric... | other point : how can i define income ? |
key points the size of a nation ’ s economy is commonly expressed as its gross domestic product , or gdp , which measures the value of the output of all goods and services produced within the country in a year . gdp is measured by taking the quantities of all goods and services produced , multiplying them by their pric... | investment demand is very important for the economy because it is where jobs are created , but it fluctuates more noticeably than consumption . business investment is volatile . new technology or a new product can spur business investment , but then confidence can drop , and business investment can pull back sharply . | does the inventory belongs to the investment ? |
key points the size of a nation ’ s economy is commonly expressed as its gross domestic product , or gdp , which measures the value of the output of all goods and services produced within the country in a year . gdp is measured by taking the quantities of all goods and services produced , multiplying them by their pric... | the value of what businesses provide to other businesses is captured in the final products at the end of the production chain . || counting gdp || what is counted in gdp | what is not included in gdp - | - consumption | intermediate goods business investment | transfer payments and non-market activities government spen... | what is chain weighted gdp and how to calculate it ? |
key points the size of a nation ’ s economy is commonly expressed as its gross domestic product , or gdp , which measures the value of the output of all goods and services produced within the country in a year . gdp is measured by taking the quantities of all goods and services produced , multiplying them by their pric... | the value of what businesses provide to other businesses is captured in the final products at the end of the production chain . || counting gdp || what is counted in gdp | what is not included in gdp - | - consumption | intermediate goods business investment | transfer payments and non-market activities government spen... | let 's have a look at the real-estate , they mainly just buy and sell old houses , which mean `` old products '' so can it be counted to gdp ? |
key points the size of a nation ’ s economy is commonly expressed as its gross domestic product , or gdp , which measures the value of the output of all goods and services produced within the country in a year . gdp is measured by taking the quantities of all goods and services produced , multiplying them by their pric... | the value of what businesses provide to other businesses is captured in the final products at the end of the production chain . || counting gdp || what is counted in gdp | what is not included in gdp - | - consumption | intermediate goods business investment | transfer payments and non-market activities government spen... | how is data that goes into calculating gdp collected ? |
key points the size of a nation ’ s economy is commonly expressed as its gross domestic product , or gdp , which measures the value of the output of all goods and services produced within the country in a year . gdp is measured by taking the quantities of all goods and services produced , multiplying them by their pric... | the sales of used goods are not included because they were produced in a previous year and are part of that year ’ s gdp . the entire underground economy of services paid “ under the table ” and illegal sales should be counted—but is not—because it is impossible to track these sales . in a recent study by friedrich sch... | data on production , sales , and the like are easy i guess , but what about things like yard sales or lemonade stands run by children ? |
key points the size of a nation ’ s economy is commonly expressed as its gross domestic product , or gdp , which measures the value of the output of all goods and services produced within the country in a year . gdp is measured by taking the quantities of all goods and services produced , multiplying them by their pric... | self-check questions country a has export sales of \ $ 20 billion , government purchases of \ $ 1,000 billion , business investment is \ $ 50 billion , imports are \ $ 40 billion , and consumption spending is \ $ 2,000 billion . what is the dollar value of gdp ? which of the following are included in gdp , and which ar... | about the problem at the bottom , i think the answer is 350 dollar gdp ( 100 for the tree and 250 for the bookshelves ) , is that right ? |
key points the size of a nation ’ s economy is commonly expressed as its gross domestic product , or gdp , which measures the value of the output of all goods and services produced within the country in a year . gdp is measured by taking the quantities of all goods and services produced , multiplying them by their pric... | gdp is measured by taking the quantities of all goods and services produced , multiplying them by their prices , and summing the total . gdp can be measured either by the sum of what is purchased in the economy or by what is produced . demand can be divided into consumption , investment , government , exports , and imp... | consumption , therefore meaning that the sum of what is purchased does not add up to that of what is produced ? |
animal hide painting painting on animal hides is a longstanding tradition of the great basin and great plains people of the united states , including the kiowa , lakota , shoshone , blackfeet , crow , dakota , and osage . while the earliest surviving hide paintings date to around 1800 , this tradition was undoubtedly p... | cotsiogo likely included references to the sun dance because he knew tourist consumers would find the scene attractive ; but he modified the scene combining it with the acceptable wolf dance , perhaps to avoid potential ramifications . the wolf dance eventually transformed into the grass dance which is performed today ... | what is a `` pow wow '' ? |
animal hide painting painting on animal hides is a longstanding tradition of the great basin and great plains people of the united states , including the kiowa , lakota , shoshone , blackfeet , crow , dakota , and osage . while the earliest surviving hide paintings date to around 1800 , this tradition was undoubtedly p... | subject matter cotsiogo ’ s brooklyn museum hide painting combines history with the contemporary moment . it displays elements of several different dances , including the important and sacred sun dance and non-religious wolf dance ( tdsayuge or tásayùge ) . the sun dance surrounds a not-yet-raised buffalo head between ... | why did the government forbid the sun dance since it was a tradition to the tribe and it was a honor ? |
octet rule - matter always wants to be in the most stable form . for any atom , stability is achieved by following the octet rule , which is to say all atoms ( with a few exceptions ) want 8 electrons in their outermost electron shell ( just like noble gases ) . the electrons present in the outermost shell of an atom a... | consequently , the atom that has the greater share of the bonding electrons bears a partial negative charge ( δ- ) and the other atom automatically bears a partial positive charge ( δ+ ) of equal magnitude . properties of non-polar covalent bonds : often occurs between atoms that are the same electronegativity differen... | what is the max no of covalent bonds that an atom can form with other atoms ? |
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