Will a blackbody at temperature T emit more photons per second with energy 0.5 kBT or with energy 1.5 kBT?
A. It will emit more photons with the lower energy.
B. It will emit more photons with the higher energy.
C. The number of photons emitted will be the same.
D. One has no way of telling.
B. It will emit more photons with the higher energy.
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At what temperature would the root-mean-square speed (thermal speed) of oxygen molecules be 13.0 m/s? Assume that oxygen approximates an ideal gas. The mass of one O2 molecule is 5.312 x 10-26 kg. The Boltzmann constant is 1.38 × 10-23 J/K
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