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Equipartition Theorem

In the follow...

Question

In the following figures (1) to (4), variation of volume by change of pressure is shown; A gas is taken along the path ABCDA. The change in internal energy of the gas will be

A

positive in all cases from (1) to (4)

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B

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

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C

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

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D

zero in all the four cases

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Solution

The correct option is D zero in all the four cases
The correct answer is option(D).
In all given cases, process is cyclic and in cyclic process $Δ U = 0$

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