Question

write an expression for the pressure at a point inside a liquid explain the meaning of the symbols used

Answer 1

pa+hdg where pa is atmospheric pressure and hdg is the pressure due to liquid column

Answer 2

The pressure at a point inside a liquid is given by:

P = Po + hpg

where,

P is the point where pressure is exerted in the liquid

Po is the atmospheric pressure

h is the depth of the point below the free surface

p is the density of the liquid

g is the acceleration due to gravity.

hope it helps you...