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A diatomic gas is used in car not heat e...

A diatomic gas is used in car not heat engine having efficiency 80% . Find the ratio of initial volume to final volume of gas during adiabatic expansion.

A

`((1)/( 5))^((3)/(2))`

B

`((1)/(3))^((5)/(2))`

C

`((1)/(5))^((5)/(2))`

D

`((1)/(5))^((2)/(5))`

Text Solution

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The correct Answer is:
C
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