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A diatomic ideal gas is used in a Car engine as the working substance. If during the adiabatic expansion part of the cycle,

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A diatomic ideal gas is used in a Car engine as the working substance. If during the adiabatic expansion part of the cycle, volume of the gas increases from V to 32V the efficiency of the engine is

(A) 0.5 

(B) 0.75 

(C) 0.99 

(D) 0.25

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1 Answer

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Best answer

Correct option (B) 0.75

Explanation

 The efficiency of cycle is

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