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The second law of thermodynamics: reversible and irreversible processes Previous Year Questions for JEE

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Q1PhysicsUnit 8: Thermodynamics

A reversible engine takes heat from a reservoir at

527^{\circ} \mathrm{C}

and gives out heat to

a \sin k

127^{\circ}

C. How many Joules/s must it take from the reservoir to perform useful mechanical work at the rate of

750 W ?

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