Solveeit Logo

Question

Physics Question on Power and Efficiency

The efficiency of heat engine is 16\frac 16, its efficiency is doubled when the temperature of sink decreases by 62°C, its efficiency doubles. Then what is the temperature of source?

A

372 K

B

470 K

C

542 K

D

1042 K

Answer

372 K

Explanation

Solution

The correct option is (A): 372 K.