Surface Tension Problems | And Solutions Pdf

F = 0.07 N / m cos ( 60° ) = 0.035 N / m A capillary tube with a radius of 0.05 m is inserted into a liquid with a surface tension of 0.03 N/m. If the contact angle is 0°, what is the height of the liquid column in the capillary tube?

F = γ cos ( θ )

The height of the liquid column in the capillary tube is given by: surface tension problems and solutions pdf

The pressure difference across the surface of a soap bubble is given by: surface tension problems and solutions pdf

h = ( 1000 k g / m 3 ) ( 9.8 m / s 2 ) ( 0.05 m ) 2 ( 0.03 N / m ) c o s ( 0° ) ​ = 0.012 m surface tension problems and solutions pdf