An ideal gas expands isothermally from a volume V1 to V2 and then compressed to original volume V1 adiabatically. Initial pressure is P1 and final pressure is P3. The total work done is W. Then -

(1) P3>P1,  W>0

(2) P3<P1,  W<0

(3) P3>P1,  W<0

(4) P3=P1,  W=0

Concept Videos :-

#19 | Work (W) done by the Gas: 1
#20 | Solved Example: 7
#21 | Work (W) done by the Gas: 2
#22 | Solved Example: 8
#23 | Solved Example: 9
#24 | Work (W) done by the Gas: 3
#25 | Graphical Intrepretation of Work done
#26 | Solved Example: 10
#27 | Solved Example: 11
#28 | Solved Example: 12

Concept Questions :-

Work done by gas
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