the rate of steady flow of a liquid through a capillary tube is V under pressure difference P.this tube is connected with another tube of the same length but half radius in series.find the rate of flow through combination if same pressure difference is maintained across the combination.

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Q. A capillary tube of length

L

and radius

r

is connected with another capillary tube of the same length but half the radius in series. The rate of steady volume flow of water through first capillary tube under a pressure difference of

p

V

. The rate of steady volume flow through the combination will be (the pressure difference across the combination is

p

)

The rate of steady volume flow of water through a capillary tube of length 'l' and radius 'r' under a pressure difference of P is V. This tube is connected with another tube of the same length but half the radius in series. Then the rate of steady volume flow through them is (The pressure difference across the combination is P)

Q. Two capillary tubes A and B are arranged in parallel. A liquid flows through these capillary tubes under the same pressure head. Both the tubes have the same length. The radii of A and B are