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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
- A ray of light is incident on a transparent glass slab of refractive index 1.62
- A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m
- A particle of mass m, charge Q and kinetic enery T enters a transverse
- If the nucleus ²⁷₁₃Al has nuclear radius of about 3.6 fm
- Dimensions formula for surface tension is
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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