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A Carnot engine is operating between T1 and T2 temperature. Find ratio of the efficiency of this engine in the 2 cases: 

Case 1: T1 = 300k, T2 = 200k

Case 2: T1 = 200k, T2 = 100k

(a) 1/2

(b) 2/3

(c) 3/2

(d) 5/3

1 Answer

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Best answer

Correct option is (b) 2/3

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