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What will be the nature of change in internal energy in case of processes shown below?

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Zero in all cases

+ve in all cases

-ve in all cases

-ve in 1 and 3 and +ve in 2 and 4

answer is D.

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Detailed Solution

As the internal energy is a state function and in all the mentioned processes the initial state and final state is the same.

So the change in internal energy in all the cases will be zero.

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