More the density of a liquid, _______ the pressure it exerts.
Complete the following sentences : (a) Pressure at a depth h in a liquid of density ρ is _____ . (b) Pressure is ___ in all directions about a point in a liquid. (c) Pressure at all points at the same depth is ___ . (d) Pressure at a point inside a liquid is ___ to its depth. (e) Pressure of a liquid at a given depth is ___ to the density of liquid.
(a) How does the pressure of a liquid depend on its depth? Draw a labelled diagram to show that the pressure of a liquid (say, water) depends on its depth.
(b) Explain why, the walls of a dam are thicker near the bottom than at the top.