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Heat Pumps

If a gas is t...

Question

If a gas is taken from $A$ to $C$ through $B$ then heat absorbed by the gas is $8 J$ . Heat absorbed by the gas in taking it from $A$ to $C$ directly is:

A

8 J

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B

9 J

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C

11 J

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D

12 J

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Solution

The correct option is D $8 J$
Work is path independent. It depends only on initial and final steps . So the heat absorbed in any way is same.
The heat absorbed by the gas in taking it from A to C is also 8J.

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