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When a system is taken from state i to state f along the path iaf, it is found that `Q=50 cal and W=20 cal`. Along the path ibf `Q=36cal`. W along the path ibf is

A

`14 cal`

B

`6 cal`

C

`16 cal`

D

`66 cal`

Text Solution

Verified by Experts

The correct Answer is:
B
(b) For path iaf, `DeltaU=Q-W=50-20=30cal`
For path ibf `W=Q-DeltaU=36-30=6cal`.
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