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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
- Two bodies of mass 0.25 kg each moving towards each other with velocity
- A wire is stretched under a force. If the wire suddenly snaps the temperature
- The core of a transformer is laminated because
- A body of mass 1 kg is thrown upwards with a velocity 20 m/s. It momentarily
- Two lenses of power 15 D and -3 D are placed in contact.
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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