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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
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Six molecules have speeds 2 units, 5 units, 3 units, 6 units, 3 units and 5 units
- A sphere of 4cm radius is suspended with in a hollow sphere of 6cm radius. If the inner
- The dimensions of pressure are equal to those of
- The total radiant energy per unit area, normal to the direction of incidence
- Eight drops of a liquid of density ρ and each of radius a are falling through air
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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