Fluid MechanicsMedium
Question
A hole is made at the bottom of a large vessel open at the top. If water is filled to a height h, it drains out completely in time t. Then time taken by the water column of height 2h to drain completely is
Options
A.√2 t
B.2 t
C.2√2 t
D.4 t
= (av) = a
⇒ 
⇒ t = 
⇒ t ∝ √hMore Fluid Mechanics Questions
A wooden cube first floats inside water when a 200 g mass is placed on it. When the mass is removed the cube is 2 cm abo...Two capillary tubes of same length l and radii r and 2r are fitted to the bottom of a vessel with pressure head p in par...Figure shows a weighing-bridge, with a beaker P with water on one pan and a balancing weight R on the other. A solid bal...A submarine is designed to withstand an absolute pressure of 100 atm. How deep can it go below the water surface?(Consid...A block is partially immersed in a liquid and the vessel is accelerating upwards with an acceleration ″a″. T...