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Q.

For one complete cycle of a thermodynamic process on a gas as shown in the P-V diagram, Which of following is correct
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a

Eint=0, Q<0

b

Eint=0, Q>0

c

Eint>0, Q<0

d

Eint<0, Q>0

answer is A.

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Detailed Solution

Eint=0 , for a complete cycle and for given cycle work done is negative, so from first law of thermodynamics Q will be negative i.e. Q<0

 

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