Question

define is ment by angle of contact?​

Answer 1

Answer:

The angle which the tangent make to the free surface of the liquid at the point of contact with the walls of the vessel inside the liquid is called the angle of contact, or it is defined as the angle subtended between the tangents drawn at the liquid surface and the solid surface inside.

Answer 2

Answer:

The angle which the tangent make to the free surface of the liquid at the point of contact with the walls of the vessel inside the liquid is called the angle of contact, or it is defined as the angle subtended between the tangents drawn at the liquid surface and the solid surface inside the liquid at the point of....