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In the P-V diagram shown in figure ABC i...

In the P-V diagram shown in figure ABC is a semicircle. The work done in the process ABC is

A

Zero

B

`pi/2` atm-lt

C

`- pi/2` atm-lt

D

4 atm-lt

Text Solution

Verified by Experts

The correct Answer is:
B
`W_(AB) rarr` -ve (volume is decreasing)
`W_(BC)` is + ve (volume is increasing)
Since, `|W_(BC)| gt |W_(AB)|`
`:.` net work done is +ve and area between semicircle which is equal to `pi/2` atm-It.
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