If $\gamma = 2.5$ and volume is equal to $\frac{1}{8}$ times to the initial volume then pressure $P' $ is equal to (Initial pressure $= P$)

  • A

    $P' = P$

  • B

    $P' = 2P$

  • C

    $P' = P \times {(2)^{15/2}}$

  • D

    $P' = 7P$

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