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Question : 21

Total: 150

A sample of an ideal gas undergoes an isothermal process as shown by the curve AB in the pV diagram. If ΔQ,ΔU and ΔW represent the amount of heat absorbed the change in internal energy and the work done respectively, then which of the following statement is correct?

ΔQ=+ ve, ΔU=0,ΔW=− ve
ΔQ=+ ve, ΔU=0,ΔW=+ ve
ΔQ=+ ve, ΔU=0,ΔW=0
ΔQ=+ ve, ΔU=+ ve, ΔW=+ ve

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