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Planck's Blackbody Radiation
5 Questions
|
By Derrickmcneill | Updated: Mar 19, 2022
| Attempts: 344
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1.
What is a black body?
A theoretical object that absorbs 100% of light incident upon it and then reradiates it
The cosmic microwave background radiation
A greater intensity of light incident on a metal resulted in more electrons being emitted from the metal
A photon is emitted when the electron jumps down in energy
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About This Quiz
Use the graphic to the left to help solve theses problems
2.
What first name or nickname would you like us to use?
You may optionally provide this to label your report, leaderboard, or certificate.
2.
Let
F
λ
(B) denote the amount of blue light (475 nm) and
F
λ
(R) denote the amount of red light (650 nm). Which of the following is correct?
Fλ(B) < Fλ(R)
Fλ(B) = Fλ(R)
Fλ(B) > Fλ(R)
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3.
The wavelength that produces the maximum amount of light (λ
max
) in this spectra is most closely:
.45 μm
50 nW/m^2 μm
.7 μm
1 μm
2 μm
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4.
The amount of blue light (475 nm) in this spectra is most closely
.45 nW/m^2 μm
50 nW/m^2 μm
1.0 nW/m^2 μm
6 nW/m^2 μm
20 nW/m^2 μm
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5.
The ratio of the amount of blue light to the amount of red light,
F
λ
(B)/
F
λ
(R), is most closely:
.2
.6
1.5
6
10
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What is a black body?
Let Fλ(B) denote the amount of blue light (475 nm)...
The wavelength that produces the maximum amount of light (λmax)...
The amount of blue light (475 nm) in this spectra is most closely
The ratio of the amount of blue light to the amount of red...
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