A beaker is filled with a liquid of density `rho` upto a height h If the beaker is at rest, the mean pressure at the walls is:

A cylinder is fill ed with a liquid of density p upto a height h. What is the hydrostatic pressure exerted by the liquid on the bottom of the cylinder, if the cylinder is kept in a lifi moving upwa rds with an acceleration a ?

Consider a regular tank of size (lxxb) filled with a liquid of density rho to a height H as shown in figure. Find the force at the base and on the wall of the tank.

A wooden ball of density sigma is released from the bottom of a tank which is filled with a liquid of density rho (rho>sigma) up to a height h_(1) . The ball rises in the liquid, emerges from its surface and attains a height h_(2) in air.If viscous effects are neglected,the ratio h_(2)/h_(1) is

A large vessel of height H is filled with a liquid of density rho upto the brim. A small hole of radius r is made at the side vertical face, close to the base. The horizontal force is required to stop the gushing of liquid is

An observer can see through a pin-hole the top end of a thin rod of height h, placed as shown in the figure. The height of beaker is 3h and its radius is h. When the beaker is filled with a liquid up to a height 2h , he can see the lower end of the rod. Then the refractive index of the liquid is

An observer can see through a pin-hole the top end of a thin rod of height h, placed as shown in the figure. The beaker height is 3h and its radius h. When the beaker is filled with a liquid up to a height 2h, he can see the lower end of the rod. Then the refractive index of the liquid is

A capillary tube of radius r is dipped in a liquid of density rho and surface tension S. if the angle of contanct is theta , the pressure difference between the two surface in the beaker and the capillary ?