Physics · 2021
JEE Main · 27 July 2021, Shift 2 · Q10
Two Carnot engines A and B operate in series such that engine A absorbs heat at T_1 and rejects heat to a sink at temperature T. Engine B absorbs…
Two Carnot engines A and B operate in series such that engine A absorbs heat at $\displaystyle \mathrm{T}_1$ and rejects heat to a sink at temperature T. Engine B absorbs half of the heat rejected by Engine A and rejects heat to the sink at $\displaystyle \mathrm{T}_3$. When workdone in both the cases is equal, the value of T is:
Official answer
(1)
$\displaystyle \frac{2}{3} \mathrm{~T}_1+\frac{1}{3} \mathrm{~T}_3$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.