Q.

Carnot cycle (reversible) of a gas represented by a P-V curve is shown consider the following statementsI. Area ABCD = Work done on the gasII. Area ABCD = Net heat observedIII. change in the internal energy in cycle = 0Which of these are correct.

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a

I only

b

II only

c

II and III

d

I, II and III

answer is C.

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Detailed Solution

For cyclic process ΔU=0So, ΔQ=ΔW
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Carnot cycle (reversible) of a gas represented by a P-V curve is shown consider the following statementsI. Area ABCD = Work done on the gasII. Area ABCD = Net heat observedIII. change in the internal energy in cycle = 0Which of these are correct.