Physics · 2022
JEE Main · 28 July 2022, Shift 1 · Q37
A Carnot engine has efficiency of 50 %. If the temperature of sink is reduced by 40^° C, its efficiency increases by 30 %. The temperature of the…
A Carnot engine has efficiency of $\displaystyle 50 \%$. If the temperature of sink is reduced by $\displaystyle 40^{\circ} \mathrm{C}$, its efficiency increases by $\displaystyle 30 \%$. The temperature of the source will be :
Official answer
(3)
266.$\displaystyle 7$ K
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