Published by:
CGP EDU Academic Team
Published on: September 11, 2026
In an experiment to verify Stokes law, a small spherical ball of radius r and density 
falls under gravity through a distance h in air before entering a tank of water. If the terminal velocity of the ball inside water is same as its velocity just before entering the water surface, then the value of h is proportional to (ignore viscosity of air)
A
B
C
r
D
Text Solution
Verified by ExpertsThe correct answer is:
A
JEE Main 2020
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