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

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

A

zero

B

`(pi)/(2) atm-it`

C

`-(pi)/(2) atm-it`

D

`4atm-it`

Text Solution

Verified by Experts

The correct Answer is:
B
`W_(AB)` is negative (volume is decreasing ) and
`W_(BC)` is positive (volume is increasing ) and
since ,`|W_(BC)|gt|W_(AB)|`
`:.` Net work done is positive and area between semicircle which is equal to `(pi)/(2)` atm-it.
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Knowledge Check

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

    A
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    B
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