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An ideal gas initially at a state (P1,V1) is allowed to expand isothermally to a state (P2, V2). Then the gas is compressed adiabatically to its initial volume V1. Let the final pressure be P3 and work done by the gas in thewhole process be W, then(A) P3>P1 and W<0(B)P3>P1 and W>0(C) P30(D) P3

Pranshu Dave , 10 Years ago
Grade 12
anser 1 Answers
Abhishek Kumar

Last Activity: 9 Years ago

If you see the curve for both, adiabatic curve has higher slope. If we take the final volume to be equal to initial volume, we can see from the curve that area under isothermal is smaller, hence the work.

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