(a) Define angle of contact
(b) Draw sketches to show angles of contact for a capillary tube dipped vertically in (i) water; (ii) mercury.
(b) Draw sketches to show angles of contact for a capillary tube dipped vertically in (i) water; (ii) mercury.
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Correct Answer: Option
Explanation:
(a) Angle of contact - the angle, measured through the liquid between the wall of the container and the tangent of the meniscus.
(b)
(a) Angle of contact - the angle, measured through the liquid between the wall of the container and the tangent of the meniscus.
(b)