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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
- Under the action of a force F=cx, the position of a body changes from 0 to x.The work done
- If the red light is replaced by blue light illuminating the object in a microscope
- A wooden stick 2 m long is floating on the surface of water. The surface tension
- The value of n so that vectors 2i+3j-2k, 5i+nj+k and -i+2j+3k may be coplanar,will be
- A plane wave of wavelength 6250Å is incident normally on a slit of width 2×10⁻² cm.
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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