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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 thin rod of length L and mass M is held vertically with one end on the floor
- A uranium nucleus ₉₂ U ²³⁸ emits an α-particle and a β-particle in succession.
- A magnetic field of 1600 A/m produces a magnetic flux of 2.4 x 10⁻⁵ Wb
- The effective length of magnet is 31.4 cm and its pole strength is 0.8Am.
- A thermally insulated rigid container contains an ideal gas heated by a filament
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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