Degrees of freedom and specific heats

2015 AIPMT-I 1 question

1. 1 Kinetic Theory
   The ratio of the specific heats $\frac{C_P}{C_V} = \gamma$ in terms of degrees of freedom (n) is given by
   A $\left(1 + \frac{1}{n}\right)$ B $\left(1 + \frac{n}{3}\right)$ C $\left(1 + \frac{2}{n}\right)$ D $\left(1 + \frac{n}{2}\right)$
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