| ⇦ | 
| ⇨ |
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: - On observing light from three different stars P, Q and R, it was found that intensity
- The sodium nucleus ₁₁Na²³ contains
- Light of wavelength λ is incident on slit of width d. The resulting diffraction
- A fringe width of a certain interference pattern is β=0.002 cm. What is the distance
- In Young’s double slit experiment, for which colour the fringe width is the least
Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- On observing light from three different stars P, Q and R, it was found that intensity
- The sodium nucleus ₁₁Na²³ contains
- Light of wavelength λ is incident on slit of width d. The resulting diffraction
- A fringe width of a certain interference pattern is β=0.002 cm. What is the distance
- In Young’s double slit experiment, for which colour the fringe width is the least
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