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Questions  

Figure below shows two paths that may be taken by a gas to go from a state A to a state C. 

In process AB, 400 J of heat is added to the system and in process BC, 100 J of heat is added to the system. The heat absorbed by the system in the process AC will be

a
380 J
b
500 J
c
460 J
d
300 J

detailed solution

Correct option is C

In cyclic process Qcyclic = WcyclicQAB+ QBC+QCA = area enclosed400 + l00 + QCA = 12×(4×104×2×10-3)QAC = 500-40 J = 460 J

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