﻿ Two capillary tubes A and B of radii ra and rb and lengths la and lbrespectively are held horizontally. The volume of water flowing per second through tube A is Qa when the pressure difference across its ends is maintained at P. When the same pressure difference is maintained across tube B, the volume of water flowing per second through it is Qb. The ratio  is  : Kaysons Education

# Two Capillary Tubes A and B of Radii ra and rb and Lengths la and lbrespectively Are Held Horizontally. The Volume Of Water Flowing Per Second Through Tube A is Qa when The Pressure Difference Across Its Ends Is Maintained At P. When The Same Pressure Difference Is Maintained Across Tube B, The Volume Of Water Flowing Per Second Through It Is Qb. The Ratio  is

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## Question

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Correct option is

The volume of a liquid flowing per second through a capillary tube of length l and radius r, when a pressure difference is maintained across its ends is given by

Where  is the coefficient of viscosity of the liquid. Since P is kept the same for tubes A and B.

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