Question

what do u mean by angle of contact?​

Answer 1

$\LARGE\pink { \underline{\underline{\sf{꧁ᗩᑎՏᗯᗴᖇ꧂}}}}$

The angle between the meniscus and the containing walls of a column of liquid measured from the vertical wall below the surface of the liquid to the position of the tangent to the meniscus at its point of contact with the wall.

$\huge\red{Hope it helps you!!}$

@winsomequeen