JEE Mains 25-July-2022 Shift 2 Solved Paper

Section: Physics

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Question : 45 of 90

Marks: +1, -0

Let η1 is the efficiency of an engine at T1=447∘C and T2=147∘C while η2 is the efficiency at T1=947∘C and T2=47∘C The ratio ‌

η1

η2

will be:

[25-Jul-2022-Shift-2]

0.41
0.56
0.73
0.70

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