Respuesta :
1.6 x [tex]10^{3}[/tex] m would be the height of the column if gallium is used as the barometer fluid and the external pressure.
P = ρhg
where,
P - Pressure
h - height
ρ - density
g - 9.8 m/[tex]s^{2}[/tex]
Given,
P = 9.5 x [tex]10^{4}[/tex] KPa
= 9.5 x [tex]10^{7}[/tex] Kg/[tex]ms^{2}[/tex]
ρ = 6.0 g/c[tex]m^{3}[/tex]
= 6.0 x [tex]10^{3}[/tex] Kg/[tex]m^{3}[/tex]
Put values in Eqn -
h = P / ρ x g
h = 9.5 x [tex]10^{7}[/tex] / 6.0 x [tex]10^{3}[/tex] x 9.8
Therefore,
h = 1.6 x [tex]10^{3}[/tex] m i.e, height of gallium
What is Barometer?
A barometer is a scientific device that measures atmospheric pressure, also known as barometric pressure. The atmosphere is made up of layers of air that wrap around the Earth. As gravity pulls it to Earth, that air has weight and presses against everything it touches. This pressure is measured by barometers.
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