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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
- A 1 kg particle strikes a wall with velocity 1 m/s at an angle 30° and reflects
- An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m.
- Masses of 3 wires of same metal are in the ratio 1:2:3 and their lengths
- The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal
- The dimensions of mobility of charge carriers are
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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