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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 current in a conductor varies with time t as I=2t+3t² Where I is in amperes
- When a light beam of frequency v is incident on a metal surface,
- Light with an energy flux of 25×10⁴ Wm⁻² falls on a perfectly reflecting surface
- A body of mass m is placed on the earth’s surface. It is taken from the earth’s surface
- What is the Q-value of the reaction?
¹H+⁷Li→⁴He+⁴He
Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The current in a conductor varies with time t as I=2t+3t² Where I is in amperes
- When a light beam of frequency v is incident on a metal surface,
- Light with an energy flux of 25×10⁴ Wm⁻² falls on a perfectly reflecting surface
- A body of mass m is placed on the earth’s surface. It is taken from the earth’s surface
- What is the Q-value of the reaction? ¹H+⁷Li→⁴He+⁴He
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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