Physics

Problem

Identify the correct expression for absolute pressure

P

at a depth

h

in an incompressible liquid of density

\rho

when the pressure at the free surface is

P_{0}

. a)

P = \rho g h

P = P_{0} - \rho g h

P = P_{0} + \rho g h

P = P_{0} + \dfrac{\rho g h}{2}