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The terminal velocity of a sphere moving through a viscous med

Question

The terminal velocity of a sphere moving through a viscous medium is

directly proportional to the radius of the sphere

inversely proportional to the radius of the sphere

directly proportional to the square of the radius of sphere

inversely proportional to the square of the radius of sphere

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Text solutionVerified

Terminal Velocity

= \frac{2}{9} \frac{r ^{2} g ( d _{1} - d _{2} )}{η}

(1)

where

r =

radius of sphere

η =

viscosity of medium

d_{1} =

density of sphere

d_{2} =

density of medium

From (1) terminal velocity is directly proportional to square of radius.

Hence the correct option is (C).

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Question Text	The terminal velocity of a sphere moving through a viscous medium is
Answer Type	Text solution:1
Upvotes	150