Question

A liquid will not wet a solid surface of the angle of contact is

Answer 1

Answer :-

A liquid will not wet a solid surface if the angle of contact is more than 90° .

⭐ Example :-  A water droplet on a lotus leaf will not wet the leaf because the angle of contact between the surface of petal and water droplet is more than 90° .

⭐Angle of contact :- The angle between the tangent drawn to liquid and the other surface is called angle of contact.

» The image attached is the water droplets on lotus leaf.

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Glad if helped.

Answer 2

Answer:

Obtuse angle

Explanation:

Angle more than 90° liquid will not wet solid