The molar heat capacity at constant volume $C_V$ for a diatomic ideal gas (ordinary temperatures) is:
Solution
$C_V = (f/2) R$. For $f = 5$: $C_V = 5R/2$.
About this question
Subject: Physics · Chapter: Kinetic Theory of Gases · Topic: Degrees of Freedom
This question is part of PrepWiser's free JEE Main question bank. 15 more solved questions on Kinetic Theory of Gases are available — start with the harder ones if your accuracy is >70%.