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Physics Thermodynamics Mix MCQ (Single Correct)

A system goes from A to B by two different paths in the P-V diagram as shown in figure. Heat given to the system in path 1 is 1100 J, the work done by the system along path 1 is more than path 2 by 150 J. The heat exchanged by the system in path 2 is .

A
800 J
B
750 J
C
1050 J
D
950 J

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The correct answer is:
D

The change in internal energy of system will be same for both paths 1 and 2.

Along path, …... (i)

Along path2, …... (ii)

Subtract (ii) from (i), we get

Or

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