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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 with energy 80 keV are incident on the tungsten target of an X-ray tube.
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube.
- The acceleration due to gravity near the surface of a planet of radius R and density d
- A string in musical instrument is 50 cm long and its fundamental frequency is 800 Hz.
- If critical angle for a material to air passage is 30°, the refractive index
- 300j work is done in sliding a 2kg block up an inclined plane of height 10m
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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