Question

write about the Angle of Contact​

Answer 1

Answer:

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Explanation:

When a liquid is in contact with solid, angle between solid surface and the tangent to the free surface of liquid at that point of contact, measured from inside the liquid is known as angle of contact. is angle of contact

Answer 2

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Angle of Contact:

When a liquid surface comes in contact with a solid surface, it forms a meniscus, which can be either convex (mercury-glass) or concave (water glass)The angle of contact, θ , between a liquid and a solid surface is defined as the angle between the tangents drawn to the free surface of the liquid and surface of the solid at the point of contact, measured within the liquid.