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

A monoatomic 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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A, C
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