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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.
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- A small oil drop of mass 10⁻⁶kg is hanging in at rest between two plates seperated
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a discharge tube ionization of enclosed gas is produced due to collisions between
- A small oil drop of mass 10⁻⁶kg is hanging in at rest between two plates seperated
- The charge flowing through a resistance R varies with time t as Q=at-bt²,
- When radiation is incident on a photoelectron emitter,
- When photons of energy hν are incident on the surface of photosensitive
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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