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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.
Related Questions: - A block of 2 kg is kept on the floor. The coefficient of static friction is 0.4
- A parallel plate capacitor with air between the plates has a capacitance of 9 pF.
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A block of 2 kg is kept on the floor. The coefficient of static friction is 0.4
- A parallel plate capacitor with air between the plates has a capacitance of 9 pF.
- Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å.
- A tuning fork frequency 512 Hz is vibrated with a sonometer wire and 6 beats per second
- Wave nature of light is verified by
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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