Q 11-12-091JEE MainJEE Main 2022 (26 Jul, Shift 2)Easy
A gas has $n$ degrees of freedom. The ratio of the specific heat of the gas at constant volume to the specific heat of the gas at constant pressure will be
Answer: (A) $\dfrac{n}{n+2}$
$C_V = \dfrac n2R$ and $C_P = \left(\dfrac n2 + 1\right)R$, so $\dfrac{C_V}{C_P} = \dfrac{n}{n+2}$.
Solution by Sreeraj P, M.Sc Physics