NEET2016Physics-Thermodynamics
NEET 2016 Physics Refrigeration MCQ Question
Type: MCQ-numerical-Medium-Class 11
A refrigerator works between 4 °C and 30 °C. It is required to remove 600 calories of heat every second in order to keep the temperature of the refrigerated space constant. The power required is [Take 1 cal = 4.2 joules]
A
236.5 W
B
2365 W
C
2.365 W
D
23.65 W
Correct Answer
Option A
Detailed Explanation
The power required is calculated using the formula P = Q/Δt, where Q is the heat removed and Δt is the time. Converting calories to joules gives the power in watts.
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