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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
- Identify the paramagnetic substance
- Two stones of masses m and 2m are whirled in horizontal circles, the heavier one
- If a spring of spring constant k stretched by a length x under tension T, the energy
- A wooden stick 2 m long is floating on the surface of water. The surface tension
- A 200 W sodium street lamp emits yellow light of wavelength 0.6 µm
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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