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The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is -20⁰C, the temperature of the surroundings to which it rejects heat is
Options
(a) 11⁰C
(b) 21⁰C
(c) 31⁰C
(d) 41⁰C
Correct Answer:
31⁰C
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The distance of a geo-stationary satellite from the centre of the earth is nearest to
- Two thin lenses of focal lengths f₁ and f₂ are in contact and coaxial.
- Which one of the following is not due to total internal reflection?
- The temperature at which the vapour pressure of a liquid becomes equal to the external
- A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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