Q. Supposing the distance between the atoms of a diatomic gas to be constant, its specific heat at constant volume per mole (gram mole) is
A) $\frac{5}{2}R$
B) $\frac{3}{2}R$
C) $R$
D) $\frac{1}{2}R$
Explanation
(a) $C_{V} = \frac{f}{2}R$
For diatomic gas $f = 5$
$\therefore C_{V} = \frac{5}{2}R$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.