Q. If the degree of freedom of a gas molecule be f, then the ratio of two specific heat $C_{p}/C_{v}$ is given by
A) $\frac{2}{f} + 1$
B) $1 - \frac{2}{f}$
C) $1 + \frac{1}{f}$
D) $1 - \frac{1}{f}$
Explanation
(a) $\eta = \frac{C_{p}}{C_{v}} = 1 + \frac{2}{n} = 1 + \frac{2}{f}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.