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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: - The ionisation energy of hydrogen is 13.6 eV. The energy of the photon released
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The ionisation energy of hydrogen is 13.6 eV. The energy of the photon released
- Two spheres of mass m and M are situated in air and the gravitational force
- A rod of weight W is supported by two parallel knife edge A and B
- The ratio of the acceleration for a solid sphere(mass m and radius R)rolling down
- When ultraviolet rays are incident on metal plate, then photoelectric effect
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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