A gas has $n$ degrees of freedom. The ratio of specific heat of gas at constant volume to the specific heat of gas at constant pressure will be.
  • A$\frac{n}{n+2}$
  • B$\frac{ n +2}{ n }$
  • C$\frac{n}{2 n+2}$
  • D$\frac{ n }{ n -2}$
JEE MAIN 2022, Medium
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