The ratio of vapour densities of two gases at the same temperature is 4/25, then the ratio of

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🧑‍🏫 Author: Aditya Bhatt Sir   |   🕒 Last Updated: July 13, 2025

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📘Question

The ratio of vapour densities of two gases at the same temperature is 4 /25, then the ratio of r.m.s. velocities will be :

(1) 25/ 4
(2) 2/ 5
(3) 5/ 2
(4) 4/ 25 

(JEE-2025)

✅ Answer

The ratio of vapour densities of two gases at the same temperature is 4 /25, then the ratio of r.m.s. velocities will be : (1) 25/ 4 (2) 2/ 5 (3) 5/ 2 (4) 4/ 25 

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