A diatomic ideal gas is used in a Carnot engine as the working substance. If during the adiabatic expansion part of the cycle the volume of the gas increases from V to 32 V, the efficiency of the engine is
0.25
0.5
0.75
0.99
As we learnt in
We know that
Option 1)
0.25
This is incorrect.
Option 2)
0.5
This is incorrect.
Option 3)
0.75
This is correct.
Option 4)
0.99
This is incorrect.
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