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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
Related Questions: - The ratio of the dimensions of planck’s constant and that of the moment of inertia is
- Masses of 3 wires of same metal are in the ratio 1:2:3 and their lengths
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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
- The ratio of the dimensions of planck’s constant and that of the moment of inertia is
- Masses of 3 wires of same metal are in the ratio 1:2:3 and their lengths
- Two identical thin plano-convex glass lenses (refractive index 1.5) each having
- Three masses are placed on the x-axis : 300 g at origin, 500 g at x = 40 cm
- Which of the following statements is correct?
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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