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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 above question, if `U_(a)=40J`, value of `U_(b)` will be

A

`-50 J`

B

`100 J`

C

`-120 J`

D

`160 J`

Text Solution

Verified by Experts

The correct Answer is:
D
`U_(b) = U_(B) = 120`
`U_(b) = 120 +40 = 160 J`
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