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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Electric potential at any point is V= -5x +3y + √(15) z. Then the magnitude of electric
- An inductor is connected to an a.c. source when compared to voltage,
- A uniform plank of Young’s modulus Y is moved over a smooth horizontal surface
- In Young’s double slit experiment, the phase difference between the two waves
- Ist law of thermadynamics is based on
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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