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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.
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A 2 kg mass starts from rest on an inclined smooth surface with inclination
- If the highest modulating frequency of the wave is 5 kHz, the number
- The minimum velocity (in ms⁻¹) with which a car driver must traverse a flat curve
- Current in a coil changes from 4 A to zero in 0.1 second and the emf induced is 100V
- A radio isotope X with a half life 1.4 x 10⁹ years decays to Y which is stable
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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