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A square plate 0.1 m side moves parallel...

A square plate 0.1 m side moves parallel to second plate with a velocity of `0.1 ms^(-1)`, both plate being immersed in water .If the viscous force is 0.002 N and the coefficient of viscosity 0.001 poise, distance between the plate is

A

0.1 m

B

0.05 m

C

0.005 m

D

0.0005 m

Text Solution

Verified by Experts

The correct Answer is:
D
As `F=etaA(dv)/(dx)`
or `dx=eta(Adv)/(F)=(0.001xx(0.1)^(2)xx0.1)/(0.002)=0.0005m`
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