Question

Define angle of contact and state any two characteristics of it.​

Answer 1

Explanation:

It depends upon the nature of the liquid and solid in contact, and is constant for a given liquid-solid pair, other factors remaining unchanged. (2) It depends upon the medium (gas) above the free surface of the liquid. (3) It is independent of the inclination of the solid to the liquid surface.

Answer 2

Explanation:

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