PHZ3400-09 Problem Set 1

1.a) Briefly Describe how the study of blackbody radiation led to Planck’s quantum hypothesis.

1.b) Derive Wien’s law from Planck’s radiation formula.

1.c) Derive the Stefan-Boltzmann law from Planck’s radiation formula.

Use: $\int _{o}^{\infty }[x^{3}/[e^{x}-1]dx=\pi ^{4}/15.$