Graph between terminal velocity (along y- axis) and square of radius (along x- axis) of spherical bo

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9-1.Fluid Mechanics

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The graph between terminal velocity (along $y-$ axis) and square of radius (along $x-$ axis) of spherical body of density $\rho $ allowed to fall through a fluid of density $\sigma $ is a

A

Straight line with positive slope

B

Straight line with negative slope

C

Straight line perpendicular to $x-$ axis

D

Straight line perpendicular to $y-$ axis

Solution

$6\pi \sigma rv = \frac{4}{3}\pi {r^3}\rho $

Standard 11

Physics

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