What is Atmospheric Pressure in Physics
Atmospheric Pressure in Physics
Atmospheric pressure is measured by barometers.
Atmospheric pressure measured by a simple mercury barometer can be calculated using the formula
p = h g
Standard atmospheric pressure at sea level is usually 76 cm Hg or 10 m water. It can also be expressed as 1 bar.
(Note: cm Hg is an accepted unit of atmospheric pressure. Other similar units involving different liquids are also accepted)
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