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NEET 2016 Physics question

PhysicsThermodynamicsNEET 2016

A refrigerator works between and . It is required to remove 600 calories of heat every second in order to keep the temperature of the refrigerated space constant. The power required is: (Take 1 cal = 4.2 Joules)

Answer: (3)

Solution

For an ideal (Carnot) refrigerator working between (cold) and (hot), . Heat removed per second: $ = 600 × 4.2 = 2520\

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Question ID VK-091845