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JEE Main Physics Class 11 Thermodynamics Part 1 Questions

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Question : 37

Total: 100

Two ideal Carnot engines operate in cascade (all heat given up by one engine is used by the other engine to produce work) between temperatures, T1 and T2. The temperature of the hot reservoir of the first engine is T1 and the temperature of the cold reservoir of the second engine is T2.T is temperature of the sink of first engine which is also the source for the second engine. How is T related to T, and T2, if both the engines perform equal amount of work?

[7 Jan. 2020 II]

T=
2T1T2
T1+T2
T=
T1+T2
2
T=√T1T2
T=0

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