$A$ sample of $1$ mole of gas at temperature $T$ is adiabatically expanded to double its volume. If the adiabatic constant for the gas is $\gamma = \frac{3}{2}$,then the work done by the gas in the process is:

  • A
    $RT[2-\sqrt{2}]$
  • B
    $\frac{R}{T}[2-\sqrt{2}]$
  • C
    $RT[2+\sqrt{2}]$
  • D
    $\frac{T}{R}[2+\sqrt{2}]$

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