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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.
Related Questions: - The specific charge of a proton is 9.6×10⁷ C/kg. The specific charge of an alpha particle
- As a light wave travels from one medium to another which of its following properties
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The specific charge of a proton is 9.6×10⁷ C/kg. The specific charge of an alpha particle
- As a light wave travels from one medium to another which of its following properties
- If a small amount of antimony is added to germanium crystal
- In vacuum, to travel distance d, light takes time t and in medium to travel distance
- A parallel plate air capacitor is charged to a potential difference of V volts.
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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