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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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Topics: Thermodynamics
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Moment of inertia of a uniform circular disc about a diameter is I. Its moment
- The earth is assumed to be a sphere of radius R. A platform is arranged at a height R
- Three masses are placed on the x-axis : 300 g at origin, 500 g at x = 40 cm
- Two blocks of masses m₁=4 kg and m₂= 2kg are connected to the ends of a string
- If R is the radius of earth, the height at which the weight of a body 1/4 of its weight
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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