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  4. Two capillaries made of same material but of different radii are dipped in a liquid. The rise of liquid in one capillary is 4 cm and that in second tube is 5 cm. The ratio of their radii is

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Q. Two capillaries made of same material but of different radii are dipped in a liquid. The rise of liquid in one capillary is $4 cm$ and that in second tube is $5 cm$. The ratio of their radii is

Mechanical Properties of Fluids

Solution:

$h \propto \frac{1}{ r } $
$ \therefore \frac{ r _{1}}{ r _{2}}=\frac{ h _{2}}{ h _{1}}$
$=\frac{5}{4}$