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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
- An elevator car whose floor to ceiling distance is equal to 2.7m starts
- If n₁, n₂ and n₃ are the fundamental frequencies of three segments into which a string
- In the Young’s double slit experiment, a point P on the central bright fringe
- If 10000 V is applied across an X-ray tube, what will be the ratio of de-Broglie
- A projectile is fired from the surface of the earth with a velocity of 5 m s⁻¹ and angle
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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