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JEE PHYSICS MCQ: THERMODYNAMICS
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Choose the incorrect statement from the following S1 : The efficiency of a heat engine can be 1, but the coefficient of performance of a refrigerator can never be infinity S2 : The first law of thermodynamics is basically the principle of conservation of energy S3 : The second law of thermodynamics does not allow several phenomena consistent with the first law S4 : A process, whose sole result is the transfer of heat from a colder object to a hotter object is impossible
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Correct option: A
S1
Option S1 is incorrect because the coefficient of performance of a refrigerator can be greater than 1, even approaching infinity under ideal conditions, while the efficiency of a heat engine is always less than 1.
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