| ⇦ | 
| ⇨ |
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: - Which of the following particles will have minimum frequency of revolution
- A body, which emits radiations of all possible wavelengths, is known as
- The threshold frequency for a certain photosensitive metal is ν₀. When it is illuminated
- An electric dipole of length 1 cm is placed with the axis making an angle of 30⁰
- The position x of a particle with respect to time t along x-axis is given
Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following particles will have minimum frequency of revolution
- A body, which emits radiations of all possible wavelengths, is known as
- The threshold frequency for a certain photosensitive metal is ν₀. When it is illuminated
- An electric dipole of length 1 cm is placed with the axis making an angle of 30⁰
- The position x of a particle with respect to time t along x-axis is given
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