$A$ gas has $n$ degrees of freedom. The ratio of specific heat of gas at constant volume $(C_v)$ to the specific heat of gas at constant pressure $(C_p)$ will be.

  • A
    $\frac{n}{n+2}$
  • B
    $\frac{n+2}{n}$
  • C
    $\frac{n}{2n+2}$
  • D
    $\frac{n}{n-2}$

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