MHT CET 2025 Physics question

The relation between efficiency () of Carnot engine and coefficient of performance () of refrigerator is

Answer: (A)

Solution

For a Carnot engine between and : . For the Carnot refrigerator the coefficient of performance is . Then \dfrac{T_H - T_C + T_C}{T_H - T_C}$ =

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Question ID VK-103223