Formula
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h
the height of the liquid column
gamma
the liquid-air surface tension
theta
the contact angle
rho
the density of liquid
g
local gravitational field strength (force/unit mass)
r
radius of tube
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Height of a liquid column (Capillary action)
Formula description
Capillary action, or capillarity, is the ability of a liquid to flow against gravity where liquid spontaneously rises in a narrow space such as a thin tube, or in porous materials such as paper or in some non-porous materials such as liquified carbon fibre.
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gamma
theta
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h
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