JEE Mains 25-Jan-2023 Shift 1 Solved Paper

Section: Physics

Question : 3 of 90

Marks: +1, -0

A Carnot engine with efficiency 50% takes heat from a source at 600K. In order to increase the efficiency to 70%, keeping the temperature of sink same, the new temperature of the source will be :

[25-Jan-2023 Shift 1]

360K
1000K
900K
300K

Validate

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