What is column pressure ? Derive a relation for the same

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propertiesoffluids

#1

Pressure is exerted by a liquid due to its height is called column pressure.
Consider two points X and Y to be lying on the top and bottom circular faces of an imaginary cylinder of liquid. Let area of the circular faces be a each and height of the cylinder be h. If pressure exerted at point X is Px and at Y is PV then