If the ratio of specific heat of a gas at constant pressure to that at constant volume is $\gamma $, the change in internal energy of a mass of gas, when the volume changes from $V$ to $2V$ constant pressure $ p$, is
  • A$R/(\gamma - 1)$
  • B$pV$
  • C$pV/(\gamma - 1)$
  • D$\gamma pV/(\gamma - 1)$
AIPMT 1998, Medium
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