A diatomic ideal gas is used in a carnot engine as the working substance.

Question:

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 $\mathrm{V}$ to $32 \mathrm{~V}$, the efficiency of the engine is :-

 

  1. $0.25$

  2. $0.5$

  3. $0.75$

  4. $0.99$


Correct Option: , 3

Solution:

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