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NEET 2008 (AIPMT) · P-V Diagrams & Cyclic Processes

P-V Diagrams & Cyclic Processes question from NEET 2008 (AIPMT)

Q87NEET 2008 · AIPMTEasy

P-V Diagrams & Cyclic Processes

If Q, E and W denote respectively the heat added, change in internal energy and the work done in a closed cyclic process, then

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Answer: (a)

Internal energy is a state function; in a closed cycle initial and final states are the same.
So $E = \Delta U = 0$ , while $Q = W$ need not be zero.
So the answer is (a) $E = 0$ .

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