Problem 2.1:
Write down the Planck Distribution Function.
[Solution]
Problem 2.2:
Looking at the Planck distribution function, describe what happens at
the high and low frequency limits.
[Solution]
Problem 2.3:
Explain why there is a factor of 1/8 when we rewrite the sum as an
integral in our derivation of the Stefan-Boltzmann law of radiation.
[Solution]
Problem 2.4:
Write down the Stefan-Boltzmann law of radiation.
[Solution]
Problem 2.5:
Describe why it is reasonable to expect that the entropy of a photon gas
would go as τ3.
[Solution]
