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Questions  

final volume 4 V through three different thermodynamic processes as shown in Fig.Process 1 is adiabatic, 2 isothermal and 3 isobaric. If U1U2 and U3 denote the
change in internal energy of the gas in the three processes respectively, then:
 

a
∆U1>∆U2>∆U3
b
∆U1<∆U2<∆U3
c
∆U1>∆U3>∆U2
d
∆U3<∆U1<∆U2

detailed solution

Correct option is C

∆Q =∆U + W                 W3>W2>W1 and ∆U1<∆U2<∆U3

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