Q. In Carnot engine efficiency is 40% at hot reservoir temperature $T$. For efficiency 50% what will be temperature of hot reservoir?
A) $\frac{T}{5}$
B) $\frac{2T}{5}$
C) $6T$
D) $\frac{6T}{5}$
Explanation
The correct answer is Option D: $\frac{6T}{5}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.