A spherical ball of density p and radius 0. 003 m is dropped into a tube containing a viscous fluid, filled up to the 0 cm mark as shown in the figure. Viscosity of the fluid =1. 260 N m -2 s -1 and its density 
L = 
/2 = 1260 kg m -3 . Assume the ball reaches a terminal speed by the 10 cm mark. Find the time taken by the ball to traverse the distance between the 10 cm and 20 cm mark, [g = acceleration due to gravity = 10ms -2 ]
Text Solution
Verified by ExpertsThe correct answer is:
C
Terminal Velocity:
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