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A monoatomic ideal gas is used in a carn...

A monoatomic ideal gas is used in a carnot engine as the working substance. If during the adiabatic expansion the volume of the gas increases from `(V)/(8)` to V, the efficiency of the engine is

A

`0.50`

B

`0.25`

C

`0.75`

D

`0.40`

Text Solution

Verified by Experts

The correct Answer is:
C
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