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When a system is taken from state 'a' to...

When a system is taken from state 'a' to state 'b' along the path 'acb', it is found that a quantity of heat Q = 200 J is absorbed by the system and a work W = 80 J is done by it. Along the path 'adb', Q = 144 J

In the above question, if `U_(d)=88J`, heat absorbed for the path 'db' is

A

`-72J`

B

`72 J`

C

`144 J`

D

`-144J`

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The correct Answer is:
B
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