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A gas is expanded form volume V(0) to 2V...

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

A

`DeltaU_(1)gt DeltaU_(2) gt DeltaU_(3)`

B

`DeltaU_(1)lt DeltaU_(2) lt DeltaU_(3)`

C

`DeltaU_(2)lt DeltaU_(1)lt DeltaU_(3)`

D

`DeltaU_(2)lt DeltaU_(3) lt DeltaU_(1)`

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