Questions in Mechanical Properties of Fluids

Select	Question
	The action of a nib split at the top is explained by
	The correct relation is
	Water rises upto a height h in a capillary on the surface of earth in stationary condition. Value of h increases if this tube is taken
	During capillary rise of a liquid in a capillary tube, the surface of contact that remains constant is of
	A shell having a hole of radius $r$ is dipped in water. It holds the water upto a depth of $h$ then the value of $r$ is
	In a capillary tube, water rises by 1.2 mm. The height of water that will rise in another capillary tube having half the radius of the first, is
	If capillary experiment is performed in vacuum then for a liquid there
	If liquid level falls in a capillary then radius of capillary will
	Water rises to a height $h$ in a capillary at the surface of earth. On the surface of the moon the height of water column in the same capillary will be
	Two capillary tubes of same diameter are put vertically one each in two liquids whose relative densities are 0.8 and 0.6 and surface tensions are 60 and 50 dyne/cm respectively Ratio of heights of liquids in the two tubes $\frac{{{h}_{1}}}{{{h}_{2}}}$is