Question

Water in a capillary tube rises to a height of 4 cm. If the area of cross section of tube is made one fourth to which height will water rise?

Answer 1

AREA IS REDUCED TO ONE FOURTH RADIUS IS REDUCED T O HALF

since h is proportional to 1/r,therefore h is doubled

here h=4 cm

therefore

if h is doubled

then water will rise upto 8 cm

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