Ap Eapcet
Heat And Thermodynamics
AP EAPCET 2025 - 27th May Morning Shift
MCQ+1 / -02025
The efficiency of a Carnot's heat engine is $\frac{1}{3}$. If the temperature of the source is decreased by $50^{\circ} \mathrm{C}$ and the temperature of the sink is increased by $25^{\circ} \mathrm{C}$, the efficiency of the engine becomes $\frac{3}{16}$. The initial temperature of the sink is