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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: - A heavy stone hanging from a massless string of length 15 m is projected
- If doubly ionised lithium atom is hydrogen like with atomic number 3, the wavelength
- 34 gram of water at 30⁰C is poured into a calorimeter at 15⁰C.
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A heavy stone hanging from a massless string of length 15 m is projected
- If doubly ionised lithium atom is hydrogen like with atomic number 3, the wavelength
- 34 gram of water at 30⁰C is poured into a calorimeter at 15⁰C.
- The phase difference between the flux linked with a coil rotating in a uniform
- A particle moving along a straight line OX.At a time (in second ) the distance
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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