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How many photons of visible
How is it a substance can emit photons of visible light after absorbing ultra violet photons but not with infrared
radiation The
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asked by
Sue
663 views
true or false
an atom can emit photons in the visible portion of the electromagnetic spectrum after absorbing photons in the
1 answer
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joly
516 views
In the process called fluorescence, some substances absorb photons of one kind of radiation (e.g) ultraviolet radiation), and
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Kelvin
1,125 views
In the process of fluorescence, an atom ab-
sorbs a photon of ultraviolet light and emits two or more photons of visible light.
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asked by
Anonymous
1,051 views
A 75 W light source consumes 75 W of electric power. Typically only about 5% of this energy is emitted as visible light of
3 answers
asked by
J
772 views
A 75 W light source consumes 75 W of electric power. Typically only about 5% of this energy is emitted as visible light of
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A 75- light source consumes 75 of electrical power. Assume all this energy goes into emitted light
3,340 views
How many photons of visible light result if a 60-keV x-ray photon is converted into green visible light with 10% efficiency?
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Jordan
474 views
If a 80 lightbulb emits 4.0 of the input energy as visible light (average wavelength 550 ) uniformly in all directions, estimate
4 answers
asked by
sarah
2,073 views
At what light intensity (approximately) do sun and shade plants have similar rates of photosynthesis? (SC.912.N.1.1)
* 1 point
1 answer
asked by
somebody
84 views
At what light intensity (approximately) do sun and shade plants have similar rates of photosynthesis? (SC.912.N.1.1)
* 1 point
1 answer
asked by
somebody
59 views