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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 2 V and then adiabatically to a volume 16 V. 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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