JEE Main 24 June 2022 Shift 1 Solved Paper

Section: Physics

Question : 47 of 90

Marks: +1, -0

A Carnot engine whose heat sinks at 27∘C, has an efficiency of 25%. By how many degrees should the temperature of the source be changed to increase the efficiency by 100% of the original efficiency?

[24-Jun-2022-Shift-1]

Increases by 18∘C
Increases by 200∘C
Increases by 120∘C
Increases by 73∘C

Validate

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