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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In the given (V – T) diagram, what is the relation between pressure P₁ and P₂?
- A DC ammeter has resistance 0.1Ω and its current ranges 0-100A. If the range
- Two cells when connected in series are balanced on 8m on a potentiometer.
- B is doped in Si or Ge, then we will get
- A radioactive substance emits n beta particles in the first 2 s and 0.5 n beta
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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