Physics · 2023
JEE Main · 25 January 2023, Shift 1 · Q7
A Carnot engine with efficiency 50 % takes heat from a source at 600 K. In order to increase the efficiency to 70 %, keeping the temperature of sink…
A Carnot engine with efficiency $\displaystyle 50 \%$ takes heat from a source at $\displaystyle 600$ K . In order to increase the efficiency to $\displaystyle 70 \%$, keeping the temperature of sink same, the new temperature of the source will be :
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle 1000$ K
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.