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Spherical balls of radius R are failing in a viscous fluid of
Question

 Spherical balls of radius are failing in a viscous fluid of viscosity with a velocity . The retarding viscous force acting on the spherical ball is

A
directly proportional to but inversely proportional to .

B
directly proportional to both radius and velocity .

C
inversely proportional to both radius and velocity .

D
inversely proportional to but inversely proportional to .

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 Spherical balls of radius are failing in a viscous fluid of viscosity with a velocity . The retarding viscous force acting on the spherical ball is
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Text SolutionText solutionverified iconVerified

According to stoke's law
viscous drag force
radius of sphere
viscosity of fluid
velocity of sphere
From equation wecan so that

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Question Text
 Spherical balls of radius are failing in a viscous fluid of viscosity with a velocity . The retarding viscous force acting on the spherical ball is
Answer TypeText solution:1
Upvotes150