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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.
Related Questions: - Suppose for some reasons, radius of earth were to shrink by 1% of present value,
- A electric dipole is placed at an angle of 30⁰ to a non-uniform electric field.
- An inclined plane of length 5.60m making an angle of 45⁰ with the horizontal is placed
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Suppose for some reasons, radius of earth were to shrink by 1% of present value,
- A electric dipole is placed at an angle of 30⁰ to a non-uniform electric field.
- An inclined plane of length 5.60m making an angle of 45⁰ with the horizontal is placed
- What is the value of incidence L for which the current is maximum in a series LCR
- A thermocouple of negligible resistance produces an e.m.f. of 40 µV/⁰C in the linear range
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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