If the atompspheric pressure is P (a) th...

If the atompspheric pressure is `P _(a)` then the jpressure P at depth a below the surface of a liquid of density `rho` open to the atmosphere is

`P_(a) -(rho g h)/(2)`

` P _(a) -rho g h`

`P _(a) +rho g h`

`P _(1) + (rho gh )/(2)`

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