A small hole of area of cross-section is present near the bottom of a fully filled open
tank of height 2 m. the rate of flow of water through the open hole would
be nearly

When an empty bottle is closed air tight and pushed inside water it bounces back when it is released. This is because _______.

A barometer is constructed using a liquid (density =760kg/m³). What would be the height of the liquid column, when a mercury barometer reads 76cm ?
(Density of mercury =13600kg/m³)

A liquid does not wet the solid surface if angle of contact is