Published by:
CGP EDU Academic Team
Published on: August 22, 2026
In an experiment to verify Stokes law, a small spherical ball of radius 
and density 
falls under gravity through a distance 
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 
is proportional to : (ignore viscosity of air)
A
B
C
Text Solution
Verified by ExpertsThe correct answer is:
A
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