| ⇦ | 
| ⇨ |
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: - An engine is moving towards a wall with a velocity 50 ms⁻¹ emits a note of 1.2 kHz.
- Light emitted during the de excitation of electron from n=3 to n=2, when incident
- A particle of mass 100g tied to a string is rotated along a circle of radius 0.5 m
- Light of wavelength λᴀ and λᴃ falls on two identical metal plates A and B respectively.
- An object is projected with a velocity of 20 m/s making an angle of 45⁰ with horizontal.
Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An engine is moving towards a wall with a velocity 50 ms⁻¹ emits a note of 1.2 kHz.
- Light emitted during the de excitation of electron from n=3 to n=2, when incident
- A particle of mass 100g tied to a string is rotated along a circle of radius 0.5 m
- Light of wavelength λᴀ and λᴃ falls on two identical metal plates A and B respectively.
- An object is projected with a velocity of 20 m/s making an angle of 45⁰ with horizontal.
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