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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: - A black body is heated from 27° C to 127° C. The ratio of their energies of radiations
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A black body is heated from 27° C to 127° C. The ratio of their energies of radiations
- The dimensions of magnetic field intensity B are
- A straight conductor of length 0.4 m is moved with a speed of 7 ms⁻¹perpendicular
- The direction of magnetic line of force of a bar magnet is
- The ratio of the numerical value of the average velocity and average speed
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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