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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The ratio of amplitude of magnetic field to the amplitude of electric field for
- An electric charge 10⁻³ μC is placed at the origin (0,0) of X-Y co-ordinate system.
- In Bohr model of hydrogen atom, the force on the electron depends on the principal
- The radius of curvature of a convave mirror is 24 cm and the imager is magnified
- The half life of a radioactive isotope ‘X’ is 20 years. It decays to another element Y
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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