JEE PHYSICS MCQ: MECHANICAL PROPERTIES OF FLUIDS

1 Medium

1 of 1

Application +4 | -1

Three capillaries of lengths

l, 2 l

and

l / 2

are connected in series. Their radii are

r, r / 2

and

r / 3

respectively. If stream-line flow is maintained and the pressure difference across the first capillary tube is

p_1

, find the pressure difference across (i) the second and (ii) the third capillary tube.

View answer and explanation

Correct option: A

32 p_1; 40.5 p_1

Option A (

32 p_1; 40.5 p_1

) is correct because the pressure differences are calculated using Poiseuille's equation, considering the series connection and varying dimensions of the capillaries.

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