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At a given temperature the root mean square velocities of oxygen and hydrogen molecules are in the ratio
Options
(a) (16:1)
(b) (1:16)
(c) (4:1)
(d) (1:4)
Correct Answer:
(1:4)
Explanation:
v(rms) = √(3RT / M)
Where M is the molecular mass
Since the temperature remains the same
v(rms) ∝ 1 / √M
[v(rms)]o₂ / [v(rms)]ʜ₂ = √(Mʜ₂ / Mo₂) = √(2 / 32) = 1 / 4
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Topics: Behavior of Perfect Gas and Kinetic Theory
(34)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Radioactivity of a sample at T₁ time is R₁ and at time T₂ is R₂. If half-life
- An object is attached to the bottom of a light vertical spring and set vibrating.
- Two rigid bodies A and B rotate with rotational kinetic energies Eᴀ and Eʙ
- A cell of emf E and internal resistance r supplies current for the same time
- The point of suspension λ of a simple pendulum with normal time period T₁ is moving
Topics: Behavior of Perfect Gas and Kinetic Theory (34)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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