| ⇦ | 
| ⇨ |
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: - If a proton, a deuteron and an alpha particle, on being accelerated by the same
- The voltage gain of an amplifier with 9% negative feedback is 10.
- Which of the following physical quantities has neither dimensions nor unit
- Calcium plate has a maximum possible radiation wavelength 400 nm to eject electrons.
- The ratio of the radii or gyration of a circular disc to that of a circular ring
Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If a proton, a deuteron and an alpha particle, on being accelerated by the same
- The voltage gain of an amplifier with 9% negative feedback is 10.
- Which of the following physical quantities has neither dimensions nor unit
- Calcium plate has a maximum possible radiation wavelength 400 nm to eject electrons.
- The ratio of the radii or gyration of a circular disc to that of a circular ring
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