In following figs. Variation of volume b...

In following figs. Variation of volume by change of pressure is shown in Fig. A gas is taken along the path `ABCDA`. The change in internal energy of the gas will be:

A

Positive in all the cases (1) to (4)

B

Positive in cases (1), (2), (3) but zero in case (4)

C

Negative in cases (1), (2), (3) but zero in case (4)

D

Zero in all the cases

Text Solution

Verified by Experts

The correct Answer is:

D

Zero
Internal energy is state function.

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