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A gas is expanded from volume V(0) = 2V(...

A gas is expanded from volume `V_(0) = 2V_(0)` under three different processes. Process `1` is isobaric process, process `2` is isothermal and process `3` is adiabatic. Let `DeltaU_(1), DeltaU_(2) and DeltaU_(3)` be the change in internal energy of the gas in these three processes. then

A

`DeltaU_(1)gtDeltaU_(2)gtDeltaU_(3)`

B

`DeltaU_(1)ltDeltaU_(2)ltDeltaU_(3)`

C

`DeltaU_(2)ltDeltaU_(1)ltDeltaU_(3)`

D

`DeltaU_(2)ltDeltaU_(3)ltDeltaU_(1)`

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The correct Answer is:
A
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