If $C_{p}$ and $C_{v}$ are molar specific heats of an ideal gas at constant pressure and volume respectively and $\gamma$ is $C_{p} / C_{v}$,then $C_{p} =$ (where $R$ is the universal gas constant).

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

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