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A monatomic gas at a pressure P, having ...

A monatomic gas at a pressure P, having a volume V expands isothermally to a volume 2V and then adiabatically to a volume 16V. The final pressure of the gas is
(Take `gamma = 5/3`)

A

`64``P`

B

`32``P`

C

`P``/``64`

D

`16``P`

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The correct Answer is:
c
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