#8 Capillary Action
The rise or fall Of a liquid in a capillary tube is related to the surface tension of a liquid whether a liquid rise in a capillary like water or depressed like mercury. It depends on the relative magnitude of cohesive and adhesive forces.These forces determine the contact angle which the liquid make with the walls Of the tube.
If the contact angle is less than 90° it is said to wet surface and...
