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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 spherical drop of capacitance 1μF is broken into eight drops of equal radius.
- A solid sphere is rotating in free space.If the radius of the sphere is increased
- A beam of light of wavelength 600 nm from a distant source falls
- A wire of length 1 m is placed in a uniform magnetic field of 1.5 tesla at an angle
- A point charge is kept at the centre of a metallic insulated spherical shell. Then
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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