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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
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Nuclear fission is not found in
- A ball moving with velocity 2 m/s collides head on with another stationary ball
- A wheel has angular acceleration of 3.0 rad/sec² and an initial angular speed
- A nucleus disintegrates into two nuclear parts which have their velocities in the ratio
- The current in the windings of a toroid is 2.0 A. There are 400 turns
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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