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introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | in some organisms , the nuclear membrane re-forms and the chromosomes decondense , although in others , this step is skipped—since cells will soon go through another round of division , meiosis ii $ ^ { 2,3 } $ . cytokinesis usually occurs at the same time as telophase i , forming two haploid daughter cells . meiosis i... | then how does a haploid cell produce two more haploid cells without going through dna replication ? |
introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | cytokinesis usually occurs at the same time as telophase i , forming two haploid daughter cells . meiosis ii cells move from meiosis i to meiosis ii without copying their dna . meiosis ii is a shorter and simpler process than meiosis i , and you may find it helpful to think of meiosis ii as “ mitosis for haploid cells ... | is reduction of chromosomal number is only advantage of meiosis ? |
introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | meiosis i before entering meiosis i , a cell must first go through interphase . as in mitosis , the cell grows during g $ _1 $ phase , copies all of its chromosomes during s phase , and prepares for division during g $ _2 $ phase . during prophase i , differences from mitosis begin to appear . | does replication of germ cells in s-phase effect the ploidy ? |
introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | in anaphase ii , the sister chromatids separate and are pulled towards opposite poles of the cell . in telophase ii , nuclear membranes form around each set of chromosomes , and the chromosomes decondense . cytokinesis splits the chromosome sets into new cells , forming the final products of meiosis : four haploid cell... | how does the nuclear membrane re-form around each set of chormosomes after meoiosis ll ? |
introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | in some organisms , the nuclear membrane re-forms and the chromosomes decondense , although in others , this step is skipped—since cells will soon go through another round of division , meiosis ii $ ^ { 2,3 } $ . cytokinesis usually occurs at the same time as telophase i , forming two haploid daughter cells . meiosis i... | if haploid cells are formed from a diploid cell in meiosis 1 and each resulting daughter cell becomes a haploid after meiosis 2 , would n't the dna be one quarter as opposed to half ? |
introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | sister chromatids separate during a second round , called meiosis ii . since cell division occurs twice during meiosis , one starting cell can produce four gametes ( eggs or sperm ) . in each round of division , cells go through four stages : prophase , metaphase , anaphase , and telophase . | what exactly are spindles made of and when does the cell know when to produce them ? |
introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | the sister chromatids of each chromosome , however , remain attached to one another and do n't come apart . finally , in telophase i , the chromosomes arrive at opposite poles of the cell . in some organisms , the nuclear membrane re-forms and the chromosomes decondense , although in others , this step is skipped—since... | in telophase i each cell contains 23 d-chromosomes ... that means that each cell contains 46 s-chromosomes so how does it contain haploid number ? |
introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | these goals are accomplished in meiosis using a two-step division process . homologue pairs separate during a first round of cell division , called meiosis i . sister chromatids separate during a second round , called meiosis ii . | if you have an organism that has both , sexual and asexual , types of reproduction , what will happen to the pairs of chromosomes of a cell that was born from an asexual cycle and is now going through meiosis ? |
introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | these goals are accomplished in meiosis using a two-step division process . homologue pairs separate during a first round of cell division , called meiosis i . sister chromatids separate during a second round , called meiosis ii . | why do the diagrams show the original cell with 2 pairs of chromosomes ? |
introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | it 's common for multiple crossovers ( up to $ 25 $ ! ) to take place for each homologue pair $ ^1 $ . the spots where crossovers happen are more or less random , leading to the formation of new , `` remixed '' chromosomes with unique combinations of alleles . | what is a homologue pair ? |
introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | the chromosomes would actually be positioned one on top of the other—as in the image below—throughout crossing over ; they 're only shown side-by-side in the image above so that it 's easier to see the exchange of genetic material . you can see crossovers under a microscope as chiasmata , cross-shaped structures where ... | are chiasmata found at certain places ? |
introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | cytokinesis usually occurs at the same time as telophase i , forming two haploid daughter cells . meiosis ii cells move from meiosis i to meiosis ii without copying their dna . meiosis ii is a shorter and simpler process than meiosis i , and you may find it helpful to think of meiosis ii as “ mitosis for haploid cells ... | and i think hybrids are sterile because they do not have homologous chromosomes , but what stage of meiosis is affected ? |
introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | in anaphase ii , the sister chromatids separate and are pulled towards opposite poles of the cell . in telophase ii , nuclear membranes form around each set of chromosomes , and the chromosomes decondense . cytokinesis splits the chromosome sets into new cells , forming the final products of meiosis : four haploid cell... | like , are they visibly shown if you were to look under a high power microscope during telophase ii ? |
introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | cytokinesis usually occurs at the same time as telophase i , forming two haploid daughter cells . meiosis ii cells move from meiosis i to meiosis ii without copying their dna . meiosis ii is a shorter and simpler process than meiosis i , and you may find it helpful to think of meiosis ii as “ mitosis for haploid cells ... | why do the homologues exchange dna ( meiosis 1 , paragraphs 2-3 ) ? |
introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | if meiosis happens many times , as in humans , crossovers will happen at many different points . random orientation of homologue pairs . the random orientation of homologue pairs in metaphase i allows for the production of gametes with many different assortments of homologous chromosomes . | so independent assortment = random orientation of homologue pairs ? |
introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | when a sperm and an egg join in fertilization , the two haploid sets of chromosomes form a complete diploid set : a new genome . phases of meiosis in many ways , meiosis is a lot like mitosis . the cell goes through similar stages and uses similar strategies to organize and separate chromosomes . | so anaphase 2 on meiosis is similar to anaphase in mitosis ? |
introduction mitosis is used for almost all of your body ’ s cell division needs . it adds new cells during development and replaces old and worn-out cells throughout your life . the goal of mitosis is to produce daughter cells that are genetically identical to their mothers , with not a single chromosome more or less ... | cytokinesis usually occurs at the same time as telophase i , forming two haploid daughter cells . meiosis ii cells move from meiosis i to meiosis ii without copying their dna . meiosis ii is a shorter and simpler process than meiosis i , and you may find it helpful to think of meiosis ii as “ mitosis for haploid cells ... | what are two events that occur during meiosis to increase the genetic diversity of offspring ? |
what is mri ? magnetic resonance imaging ( mri ) is one way for healthcare professionals to look inside your body and see what is going on inside it without having to cut open your body . while there are lots of different ways to take pictures inside your body such as x-rays , computerized tomography ( ct ) scans , ult... | in oxygenated blood , the electrons from the oxygen molecules tend to block applied magnetic fields , effectively screening the hydrogens in water molecules from the applied magnetic field and decreasing the rapidness with which they will align with it . deoxygenated blood does not have this screening effect , and so t... | what would happen if the radio frequency is applied first without aligning the protons first using the strong external magnet ? |
what is mri ? magnetic resonance imaging ( mri ) is one way for healthcare professionals to look inside your body and see what is going on inside it without having to cut open your body . while there are lots of different ways to take pictures inside your body such as x-rays , computerized tomography ( ct ) scans , ult... | your body is pretty much entirely made of water . blood vessels , lymph nodes , and even solid bones are soaked with water molecules , each of which contains two hydrogen atoms . at the center of each hydrogen atom sits a nucleus consisting of a single proton , which can be visualized as a tiny bar magnet with a “ nort... | how does mri specifically target only water molecules/atoms and not other molecules/atoms ? |
what is mri ? magnetic resonance imaging ( mri ) is one way for healthcare professionals to look inside your body and see what is going on inside it without having to cut open your body . while there are lots of different ways to take pictures inside your body such as x-rays , computerized tomography ( ct ) scans , ult... | in a recently-developed fmri , information about the changing distribution of oxygen in the brain is generated based on the unique magnetic properties of blood containing oxygen versus blood without oxygen . in oxygenated blood , the electrons from the oxygen molecules tend to block applied magnetic fields , effectivel... | how does this em radiation connect to an applied ( external ) b in a simple equation or 2 ( not complicated beyond scope of mcat ) ? |
what is mri ? magnetic resonance imaging ( mri ) is one way for healthcare professionals to look inside your body and see what is going on inside it without having to cut open your body . while there are lots of different ways to take pictures inside your body such as x-rays , computerized tomography ( ct ) scans , ult... | protons in dense or solid structures tend to be more or less prone to misalignment when the disrupting radio waves are applied to the body ’ s tissue , resulting in a lower number of re-emitted photons coming from that region and thus a darker area in the resulting image . what methods are used to make mri work even be... | can fmri be used to determine a person 's level of engagement in a task such as participation in a conversation ? |
what is mri ? magnetic resonance imaging ( mri ) is one way for healthcare professionals to look inside your body and see what is going on inside it without having to cut open your body . while there are lots of different ways to take pictures inside your body such as x-rays , computerized tomography ( ct ) scans , ult... | because the changing distribution of oxygenated blood in the brain is known to correlate with neural activity , fmri can be used to image the parts of a patient ’ s brain that become active and inactive during various tasks . this makes fmri a very useful tool for neuroscientists and psychologists . | what is the difference between an event-related fmri design and a block fmri design ? |
what are z-scores ? a z-score measures exactly how many standard deviations above or below the mean a data point is . here 's the formula for calculating a z-score : $ z=\dfrac { \text { data point } -\text { mean } } { \text { standard deviation } } $ here 's the same formula written with symbols : $ z=\dfrac { x-\mu ... | what are z-scores ? a z-score measures exactly how many standard deviations above or below the mean a data point is . here 's the formula for calculating a z-score : $ z=\dfrac { \text { data point } -\text { mean } } { \text { standard deviation } } $ here 's the same formula written with symbols : $ z=\dfrac { x-\mu ... | how do i calculate the probability of a z-score ? |
what are z-scores ? a z-score measures exactly how many standard deviations above or below the mean a data point is . here 's the formula for calculating a z-score : $ z=\dfrac { \text { data point } -\text { mean } } { \text { standard deviation } } $ here 's the same formula written with symbols : $ z=\dfrac { x-\mu ... | what are z-scores ? a z-score measures exactly how many standard deviations above or below the mean a data point is . | how do you calculate the mean when you are only given the z-scores ? |
what are z-scores ? a z-score measures exactly how many standard deviations above or below the mean a data point is . here 's the formula for calculating a z-score : $ z=\dfrac { \text { data point } -\text { mean } } { \text { standard deviation } } $ here 's the same formula written with symbols : $ z=\dfrac { x-\mu ... | what are z-scores ? a z-score measures exactly how many standard deviations above or below the mean a data point is . here 's the formula for calculating a z-score : $ z=\dfrac { \text { data point } -\text { mean } } { \text { standard deviation } } $ here 's the same formula written with symbols : $ z=\dfrac { x-\mu ... | how do you find the data when you have the mean , the z-score , and the standard deviation ? |
what are z-scores ? a z-score measures exactly how many standard deviations above or below the mean a data point is . here 's the formula for calculating a z-score : $ z=\dfrac { \text { data point } -\text { mean } } { \text { standard deviation } } $ here 's the same formula written with symbols : $ z=\dfrac { x-\mu ... | what are z-scores ? a z-score measures exactly how many standard deviations above or below the mean a data point is . | a ) what proportion of such biostatisticians will make more than $ 80,000 ? |
what are z-scores ? a z-score measures exactly how many standard deviations above or below the mean a data point is . here 's the formula for calculating a z-score : $ z=\dfrac { \text { data point } -\text { mean } } { \text { standard deviation } } $ here 's the same formula written with symbols : $ z=\dfrac { x-\mu ... | what are z-scores ? a z-score measures exactly how many standard deviations above or below the mean a data point is . | b ) what proportion of such biostatisticians will make less than $ 70,000 ? |
what are z-scores ? a z-score measures exactly how many standard deviations above or below the mean a data point is . here 's the formula for calculating a z-score : $ z=\dfrac { \text { data point } -\text { mean } } { \text { standard deviation } } $ here 's the same formula written with symbols : $ z=\dfrac { x-\mu ... | what are z-scores ? a z-score measures exactly how many standard deviations above or below the mean a data point is . | if we made the average of all z-scores of a group , would that give 0 ? |
what are z-scores ? a z-score measures exactly how many standard deviations above or below the mean a data point is . here 's the formula for calculating a z-score : $ z=\dfrac { \text { data point } -\text { mean } } { \text { standard deviation } } $ here 's the same formula written with symbols : $ z=\dfrac { x-\mu ... | a z-score close to $ 0 $ says the data point is close to average . a data point can be considered unusual if its z-score is above $ 3 $ or below $ -3 $ . want to learn more about z-scores ? | hello everybody , i want to ask , how to calculate that has z-score is more than 3 or -3 ? |
what are z-scores ? a z-score measures exactly how many standard deviations above or below the mean a data point is . here 's the formula for calculating a z-score : $ z=\dfrac { \text { data point } -\text { mean } } { \text { standard deviation } } $ here 's the same formula written with symbols : $ z=\dfrac { x-\mu ... | find the z-score for michael 's exam grade . $ \begin { align } z & amp ; =\dfrac { \text { his grade } -\text { mean grade } } { \text { standard deviation } } \ \ z & amp ; =\dfrac { 86-85 } { 2 } \ \ z & amp ; =\dfrac { 1 } { 2 } =0.5\end { align } $ michael 's z-score is $ 0.5 $ . his grade was half of a standard d... | if the results form a normal distribution , how many students would be expected to score a result between 1 and 2 standard deviation above the mean ? |
what are z-scores ? a z-score measures exactly how many standard deviations above or below the mean a data point is . here 's the formula for calculating a z-score : $ z=\dfrac { \text { data point } -\text { mean } } { \text { standard deviation } } $ here 's the same formula written with symbols : $ z=\dfrac { x-\mu ... | what are z-scores ? a z-score measures exactly how many standard deviations above or below the mean a data point is . | -68 % of the scores have z-scores between -1 and 1 -95 % of the scores have z-scores between -2 and 2 - 99.7 % of the scores have z-scores between -3 and 3 a ) 8100 b ) 16 200 c ) 20 400 d ) 28 500 can you explain it ? |
what are the three components of armor found here ? the main element is a helmet ( kabuto ) with a two-lobed projection attached at the back of the bowl and ornamental ridges fanning out from the crest . suspended at the back and sides is a six-tiered neck guard . completing the assembly is a red half-mask—complete wit... | they could also be used to identify warriors after death , and were part of the military regalia in which they were buried . some elements , such as this mask , were surely meant to intimidate opponents : the red face , aggressive expression and facial hair would create a frightening impression . red was a color though... | what was the red mask called by the japanese samurai ? |
what are the three components of armor found here ? the main element is a helmet ( kabuto ) with a two-lobed projection attached at the back of the bowl and ornamental ridges fanning out from the crest . suspended at the back and sides is a six-tiered neck guard . completing the assembly is a red half-mask—complete wit... | a helmet ’ s distinctive features , especially the shaped attachments that appear on many examples , identified the wearer and ensured that his actions were visible to all . visual symbols of leadership , these helmets set apart those who were morally accountable for battlefield decisions , according to the samurai cod... | how much did these helmets typically weigh ? |
what are the three components of armor found here ? the main element is a helmet ( kabuto ) with a two-lobed projection attached at the back of the bowl and ornamental ridges fanning out from the crest . suspended at the back and sides is a six-tiered neck guard . completing the assembly is a red half-mask—complete wit... | some elements , such as this mask , were surely meant to intimidate opponents : the red face , aggressive expression and facial hair would create a frightening impression . red was a color thought to ward off evil , and made the warrior resemble one of a host of powerful , red-faced deities familiar in japanese lore . ... | who were the `` red faced deities '' that the mask was supposed to resemble ? |
what are the three components of armor found here ? the main element is a helmet ( kabuto ) with a two-lobed projection attached at the back of the bowl and ornamental ridges fanning out from the crest . suspended at the back and sides is a six-tiered neck guard . completing the assembly is a red half-mask—complete wit... | suspended at the back and sides is a six-tiered neck guard . completing the assembly is a red half-mask—complete with wrinkles , teeth , and bristling facial hair—rising above a four-tiered throat guard . who might have worn this helmet ? | why does the mask have a fake mustache ? |
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... | when the speed decreases , does the light has less 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 can be visualized as follows : while it ’ s good to have a basic understanding of what electromagnetic radiation is , most chemists are less interested in the physics behind this type of energy , and are far more interested in how these waves interact with matter . more specifically , chemists study how different ... | so do different kinds of lightbulbs give off different spectrums ? |
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... | where do we find a photon in an atom ? |
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 . | how do you sole for wavelength ? |
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 illustrate the relationship between frequency and wavelength , let ’ s consider an example . 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 equati... | what is a wave exactly ? |
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 ’... | should n't amplitude , in some way , be directly related to 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... | 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 $... | from where photon is emmited or 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... | 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 you take the `` frequency of a light wave '' and multiply it by `` 6.626*10tothe-34 '' you get the frequency of a photon of that light 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... | 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... | why do things travel in waves and not in a straight line ? |
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... | so why do electrons make 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 illustrate the relationship between frequency and wavelength , let ’ s consider an example . 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 equati... | what is that in the sound wave that makes that to need some medium to pass through and what is that in electro magnetic wave that does n't need any medium like sound 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... | 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... | when we say that a wave oscillates , are the photons oscillating or something else ? |
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... | if photons are oscillating , then are they oscillating in the electric field or 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... | 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... | what is the problem if we try to explain black body radiation by using wave theory 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... | 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... | does black body radiation have different colours or can we see it ? |
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 . | 1. why can we say that light is 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... | 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... | why is it that photons cant transfer energy which is less than the quantised number ? |
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 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 . $ \lambda=\dfrac { c } { \nu } $ lastly , we plug in our given values and solve . | how was quantization able to solve the uv catastrophe ? |
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... | so , energy ca n't be transferred in an amount less than the planck 's constant but can be in its multiples ? |
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 . | does amplitude also determine how much energy a wave carries ? |
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 . $ e=h\nu $ next , we plug in our given value for the frequency , as well as the value for planck 's constant , $ h $ , and solve . | is the planck constant the minimum energy level for 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... | 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... | why was there no white spectrum visible ? |
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... | in the spectrum table how was the maximum frequency of 10^24 arrived at ? |
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... | how do some things give off red light and others yellow ? |
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... | if light is just photons what is happening to the 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... | 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 $... | is energy of photon directly proportional to the brightness 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... | 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 , when light travels as a wave what exactly moves in the path of that 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... | 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... | if the frequency in the e=hv equation just a regular 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... | 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... | in case of light ( the electromagnetic spectrum ) what is the medium through which the disturbance propagates ? |
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... | how can a photon have 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... | 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 constantly , and are not harmful , because their frequencies are so low . as we will see in the section , “ the photon , ” lower frequency waves are lower i... | how to measure the frequencies of em radiation in experiments ? |
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 light referring to all types 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... | as we will see in the section , “ the photon , ” lower frequency waves are lower in energy , and thus are not dangerous to our health . to the left of the visible spectrum , we have ultraviolet ( uv ) rays , x-rays , and gamma rays . these types of radiation are harmful to living organisms , due to their extremely high... | as in , it is not only talking about visible light but radio waves and gamma rays would also be considered 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... | 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 . | do all electromagnetic waves have 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... | 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 is the definition of blackbody ? |
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... | was there a reason why scientists just assumed that energy in waves 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... | 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 $... | so if the value of e ( the energy of photon absorbed or emitted ) is found , can the number of photons be found ? |
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 ’... | i think that photons differ in the degree of frequency , but is a photon just the amount of energy released in each different situation , or is there a specific amount of energy at each level of frequency that equals a discreet 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... | 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... | why hydrogen spectrum has four lines while it has one electron ? |
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... | what property separates light waves from all other 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... | 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... | is all light visible to humans ? |
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 $... | does a decrease in wavelength without any change in frequency mean an increase or decrease or no change in the energy of the 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... | if you ’ ve ever gone swimming in the ocean , you are already familiar with waves . waves are simply disturbances in a particular physical medium or a field , resulting in a vibration or oscillation . the swell of a wave in the ocean , and the subsequent dip that follows , is simply a vibration or oscillation of the wa... | electro magnetic waves does n't need any medium but if it pass through any medium will it change anything ? |
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 ... | will heat energy needs a medium ? |
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... | if light reflects off of two colored pigments , say cobalt violet and cadmium red colored paints ( two colors on opposite sides of the visible spectrum ) what is physically happening when light is reflected back toward our 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... | 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... | are certain wavelengths of light being absorbed and reflected ? |
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 aspects of chemical elements determine there visual color ? |
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... | 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 . 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 ca... | well , when a photon is absorbed by an atom or molecule , how long does it stay there before it is emitted ? |
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... | how does a wave oscillates in 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... | 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... | how does lava produce light naturally ? |
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 see in the section , “ the photon , ” lower frequency waves are lower in energy , and thus are not dangerous to our health . to the left of the visible spectrum , we have ultraviolet ( uv ) rays , x-rays , and gamma rays . these types of radiation are harmful to living organisms , due to their extremely high... | how does earth absorb or block gamma rays from coming ? |
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... | is `` light '' another way of saying `` electromagnetic waves '' , meaning that photons are elementary particles of any 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... | 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 . | or are photons particles of specific electromagnetic waves such as visible and invisible light , ranging , for example , from uv to ir ? |
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 ... | if frequency and wavelength are inversely proportional , is it correct to say that the period ( t ) is equal to the wavelength ? |
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 . | in a particular source of light , do all the waves have the same 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... | as we will see in the section , “ the photon , ” lower frequency waves are lower in energy , and thus are not dangerous to our health . to the left of the visible spectrum , we have ultraviolet ( uv ) rays , x-rays , and gamma rays . these types of radiation are harmful to living organisms , due to their extremely high... | is the photon the elementary particle , or quantum , for only the visible spectrum of light , or for all electromagnetic radiation such as x rays and gamma rays ? |
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 ... | then what is our fundamental currency for trade i.e smallest energy packet ? |
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 ... | and how come energy not continuous and quantised ? |
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 can be visualized as follows : while it ’ s good to have a basic understanding of what electromagnetic radiation is , most chemists are less interested in the physics behind this type of energy , and are far more interested in how these waves interact with matter . more specifically , chemists study how different ... | are different photons of atoms of different elements have have same quanta values or different values ? |
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 ... | and that energy is quantized , is this valid for any kind 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... | 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... | since mechanical energy until eletrical energy , all of these can only be transferred by 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... | 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 relationship between light + the intensity ? |
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... | what is a good example for discontinuous spectrum ? |
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 the following equation : $ c=\lambda \nu $ where $ \lambda $ ( the greek lambda ) is the wavelength ( in meters , $ \text { m } $ ) and $ \nu $ ( the greek nu ) is the frequency ( in hertz , $ \text { hz } $ ) . their product is the constant $ c $ , the speed of light , which is equal to $... | in the second line of this page where 'heat from a burning fire ' is classified as an electro magnetic wave - and after finding out that all electromagnetic waves travel at the speed of light - does 'heat ' from a fire really travel at the speed 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... | 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... | `` photons carry specific amounts of energy called quanta , and this energy can be transferred to atoms and molecules when photons are absorbed '' it says this energy can be transferred , does that mean that sometimes it is n't transferred ? |
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