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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 tuning fork gives 4 beats with 50 cm length of a sonometer
- One milligram of matter on convertion into energy will give
- Light propagates rectilinearly because of its
- A shell of mass 200 g is ejected from a gun of mass 4 kg by an explosion
- An engine is moving towards a wall with a velocity 50 ms⁻¹ emits a note of 1.2 kHz.
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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