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How many photons are produced

How is it a substance can emit photons of visible light after absorbing ultra violet photons but not with infraredradiation The
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2. asked by Sue
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How is light amplified in a laser?Photons “leak” through a partially reflecting mirror, causing them to travel in step.
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2. asked by mir
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Consider a red flame color produced by excited lithium with a wavelength of 671 nm. What is the mass equivalent of 1 mol of
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2. asked by dave
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At what light intensity (approximately) do sun and shade plants have similar rates of photosynthesis? (SC.912.N.1.1)* 1 point
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2. asked by somebody
3. 105 views
2. At what light intensity (approximately) do sun and shade plants have similar rates of photosynthesis? (SC.912.N.1.1)* 1 point
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2. At what light intensity (approximately) do sun and shade plants have similar rates of photosynthesis? (SC.912.N.1.1)* 1 point
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2. 105 views
At what light intensity (approximately) do sun and shade plants have similar rates of photosynthesis? (SC.912.N.1.1)* 1 point
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2. asked by somebody
3. 79 views
Arrange the steps in order to describe how photons and carbon dioxide (CO2) contribute to the warming of Earth.A:CO2 in the
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2. 52 views
d) In the up-convertor 1, two photons are converted into one photon with 100% conversion efficiency. If all photons with energy
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2. asked by Johnny
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How many photons are produced in a laser pulse of 0.500 J at 661 nm?
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2. asked by Anonymous
3. 331 views