A Carnot engine has an efficiency of 40% with hot reservoir at 500 K. The temperature of the cold reservoir is:

1. A 200 K
2. B 300 K Correct answer
3. C 400 K
4. D 100 K

Solution

$0.4 = 1 - T_c/500 \Rightarrow T_c = 300$ K.

About this question

Subject: Physics · Chapter: Thermodynamics · Topic: Carnot Engine

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