| ⇦ | 
| ⇨ |
The molar specific heats of an ideal gas at constant pressure and volume are denoted by Cp and Cv, respectively. If γ = Cp/Cv and R is the universal gas constant, then Cv is equal to
Options
(a) R / ( γ – 1)
(b) (γ – 1) / R
(c) γ R
(d) 1 + γ / 1 – γ
Correct Answer:
R / ( γ – 1)
Explanation:
Cₚ – Cᵥ = R ⇒ Cₚ = Cᵥ + R
γ = Cₚ / Cᵥ = Cᵥ + R / Cᵥ = Cᵥ / Cᵥ + R / Cᵥ
⇒ γ = 1 + R / Cᵥ ⇒ R / Cᵥ = γ – 1
⇒ Cᵥ = R / γ – 1
Related Questions: - The temperature at which the vapour pressure of a liquid becomes equal to the external
- A short bar magnet of magnetic moment 0.4 JT⁻¹ is placed in a uniform magnetic field
- The frequencies of X-rays,γ-rays and ultraviolet rays are respectively p,q and r
- A circuit area 0.01 m² is kept inside a magnetic field which is normal to its plane.
- Two coherent monochromatic beams of intensities I and 4I respectively, are superposed.
Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The temperature at which the vapour pressure of a liquid becomes equal to the external
- A short bar magnet of magnetic moment 0.4 JT⁻¹ is placed in a uniform magnetic field
- The frequencies of X-rays,γ-rays and ultraviolet rays are respectively p,q and r
- A circuit area 0.01 m² is kept inside a magnetic field which is normal to its plane.
- Two coherent monochromatic beams of intensities I and 4I respectively, are superposed.
Topics: Properties of Bulk Matter (130)
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