AIIMS2013Physics-Thermodynamics
AIIMS 2013 Physics Carnot Engine MCQ Question
Type: MCQ-numerical-Hard-Class 11
An engine has an efficiency of 1/6. When the temperature of sink is reduced by 62°C, its efficiency is doubled. The temperature of source will be
A
37°C
B
62°C
C
99°C
D
124°C
Correct Answer
Option C
Detailed Explanation
Using η = 1 - T2/T1, T1 = 372 K or T1 = 372 - 273 = 99°C.
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