# A tank filled with water has a hole at a certain height from its bottom. The volume of water emerging out per second from the hole does not depend on

(a) The height of the level of liquid above the hole. (b) The area of a hole. (c) density of a liquid (d) The acceleration due to gravity

The volume of liquid coming out of the hole.
Volume = $A \sqrt {2gh}$
$A$- Area of cross section
$g$- acceleration due to gravity
$h$-height of the water colum
It does not depend on the density of the liquid.
answered Oct 2, 2013 by