If $C_p$ and $C_v$ are molar specific heats of an ideal gas at constant pressure and volume respectively,if $\gamma$ is the ratio of the two specific heats and $R$ is the universal gas constant,then $C_p$ is equal to

  • A
    $\frac{R \gamma}{\gamma-1}$
  • B
    $\gamma R$
  • C
    $\frac{1+\gamma}{1-\gamma}$
  • D
    $\frac{R}{\gamma-1}$

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