Question

Deine angle of contact
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Answer 1

Answer:

$\huge \fbox \red{❥ItzMeMukku}$

Explanation:

when the liquid surface is curved as concave upwards, the angle of contact is acute and when the liquid surface is curved as convex upwards , the angle of contact is obtuse.

Answer 2

Angle of Contact :-

Angle of contact is the angle at which a liquid interface meets a solid surface.

Example :-

The droplet of water(Liquid) is in contact with the solid surface which is leaf. This liquid surface makes some angle with the solid surface.

Hope it helps you ❤️