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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: - Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube.
- The velocity v of waves produced in water depends on their wavelength λ, the density
- Steam at 100⁰C is passed into 20 g of water at 10°C. When water acquires a temperature
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube.
- The velocity v of waves produced in water depends on their wavelength λ, the density
- Steam at 100⁰C is passed into 20 g of water at 10°C. When water acquires a temperature
- Two metal rods 1 and 2 of same lengths have same temperature difference
- The most stable particle in Baryon group is
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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