Thermal Physics - Heat Capacity

Einstein’s formula for the molar heat capacity C of solids is given above. At high temperatures, C approaches which of the following?

A. 0
B. 3kN_A(hv/kT)
C. 3kN_Ahv
D. 3kN_A
E. N_Ahv

(GR0177 #65)

Solution:

At high temperature → Classical approach, there’s no hv involved.

Answer: D