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One mole of an ideal diatomic gas underg...

One mole of an ideal diatomic gas undergoes a transition from A to B along a path AB as shown in the figure

The change to internal energy of the gas during the transition is

A

`-12 kJ`

B

`20 kJ`

C

`-20` kJ

D

20 J

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The correct Answer is:
C
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