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An ideal monoatomic gas is carried aroun...

An ideal monoatomic gas is carried around the cycle ABCDA as shown in the figure. The efficiency of the gas cycle is

A

`(4)/(21)`

B

`(2)/(21)`

C

`(4)/(31)`

D

`(2)/(31)`

Text Solution

Verified by Experts

The correct Answer is:
A
Efficiency of cycle process
`=("net work done per cycle")/("Heat absorbed per cycle")`
`W_("net")=2P_(0)xxV_(0)=2P_(0)V_(0)`
`DeltaQ_("absorbed") =nc_(v) (T_(B)-(T_(A))+ncp(T_(C)-T_(B))`
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