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Q.
Water rises to a height of $2\, cm$ in a capillary tube. If the tube is tilted $60^{\circ}$ from the vertical, water will rise in the tube to a length of
Mechanical Properties of Fluids
Solution:
Since water rises to height of $2\, cm$ in a capillary
If tube is at $60^{\circ}$, in this case height must be equal to
$h=2\, cm \Rightarrow \cos 60^{\circ}=\frac{h}{l}$
$\therefore l=\frac{h}{\cos 60^{\circ}}=\frac{2}{1 / 2}=4\, cm$
