Physics · 2023
JEE Main · 12 April 2023, Shift 1 · Q38
An engine operating between the boiling and freezing points of water will have A. efficiency more than 27 %. B. efficiency less than the efficiency…
An engine operating between the boiling and freezing points of water will have
A. efficiency more than $\displaystyle 27 \%$.
B. efficiency less than the efficiency of a Carnot engine operating between the same two temperatures.
C. efficiency equal to $\displaystyle 27 \%$
D. efficiency less than $\displaystyle 27$%
Choose the correct answer from the options given below:
Official answer
From NTA’s final answer key for this paper.
(2)
B and D only
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.