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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
- Radioactivity of a sample at T₁ time is R₁ and at time T₂ is R₂. If half-life
- If the momentum of electron is changed by P, then the de-Broglie wavelength
- A body of mass M hits normally a rigid wall with velocity V and bounces back
- What is the difference between soft and hard X-ray?
- Steam at 100⁰C is passed into 20 g of water at 10°C. When water acquires a temperature
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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