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Heat energy absorbed by a system in goin...

Heat energy absorbed by a system in going through a cyclic process shown in figure is

A

`10^7 pi` J

B

`10^4 pi` J

C

`10^2 pi` J

D

`10^(-3) pi` J

Text Solution

Verified by Experts

The correct Answer is:
C
In cyclic process, `Delta U = 0`
`:. Delta Q=Delta W = pi r^2`
`implies Delta Q = pi((20)/(2))^2 kP_a xx "litre"`
`=pixx100xx10^3 xx10 ^(-3)`
= `100 pi J=10^2 pi J`.
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