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For an isothermal expansion of a perfect...

For an isothermal expansion of a perfect gas, the value of `(DeltaP)/(P)` is

A

`-gamma^(1//2)(DeltaV)/(V)`

B

`-(DeltaV)/(V)`

C

`-gamma(DeltaV)/(V)`

D

`-gamma^(2)(DeltaV)/(V)`

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