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The coefficient of performance of a Carnot refrigerator working between 30⁰C and 0⁰C is
Options
(a) 10
(b) 1
(c) 9
(d) zero
Correct Answer:
9
Explanation:
Coefficient of performance = K
.·. K = T₂ / (T₁-T₂) = 273 / (303-273) = 273 / 30 = 9.
Related Questions: - In photoelectric emission process from a metal of work function
- An electron in hydrogen atom makes a transition n₁ → n₂
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In photoelectric emission process from a metal of work function
- An electron in hydrogen atom makes a transition n₁ → n₂
- A hollow sphere of charge does not produce an electric field at any
- A series L-C-R circuit contains inductance 5 mH, capacitance 2 μF and resistance
- An inclined plane makes an angle of 30° with the horizontal.A solid sphere
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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