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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
- The additional energy that should be given to an electron to reduce its de-Broglie
- An ideal gas is compressed to half its initial volume by means of several processes.
- A heavy nucleus at rest breaks into two fragments which fly off with velocities
- A wave travelling in the +ve x-direction having displacement along y-direction as 1m
- At absolute temperature, the kinetic energy of the molecules
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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