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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
- Length of a conductor is 50 cm radius of cross section 0.1 cm and resistivity
- In a potentiometer experiment two cells of e.m.f. E₁ and E₂ are used in series
- The sun light reaches us as white and not as its components because
- In stretching a spring by 2 cm, energy stored is given by U. Had is been stretched
- The pair of quantities having same dimensions is
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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