| ⇦ | 
| ⇨ |
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: - In a semiconductor
- The velocity of radio-waves is 3×10⁵ km/s. The frequency corresponding to wavelength
- The moment of inertia of a thin uniform rod of mass M and length L about an axis
- The breaking stress of a wire depends upon
- A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV.
Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a semiconductor
- The velocity of radio-waves is 3×10⁵ km/s. The frequency corresponding to wavelength
- The moment of inertia of a thin uniform rod of mass M and length L about an axis
- The breaking stress of a wire depends upon
- A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV.
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply