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In a thermodynamic process, pressure of ...

In a thermodynamic process, pressure of a fixed mass of a gas is changed in such a manner that the gas release `20 J` of heat and `8 J` of work is done on the gas. If initial internal energy of the gas was `30 J`, what will be the final internal energy?

A

2J

B

18J

C

42J

D

58J

Text Solution

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The correct Answer is:
B
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