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JEE Main 2019 Physics question

PhysicsThermodynamicsJEE Main 2019

A Carnot engine has an efficiency of 1/6. When the temperature of the sink is reduced by 62ºC, its efficiency is doubled. The temperatures of the source and the sink are, respectively,

Answer: (A)

Solution

⇒ = 372 K = 99ºC, = 310 K = 37ºC.

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Question ID VK-010742