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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: - If the radioactive dacay constant of radium is 1.07 x 10⁻⁴ year⁻¹, then its half-life
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the radioactive dacay constant of radium is 1.07 x 10⁻⁴ year⁻¹, then its half-life
- A short circuited coil is placed in a magnetic field varying with time. Electrical
- Three unequal resistors in parallel are equivalent to a resistance 1 Ω.
- In a region, the potential is represented by V(x,y,z)=6x-8xy-8y+6yz, where V
- A moving coil galvanometer of resistance 100 Ω is converted to ammeter by a resistance
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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