Q. The meniscus of mercury in a capillary glass tube, is
A) Concave
B) Plane
C) Cylindrical
D) convex
Explanation
(d) Due to its adhesive nature, mercury depresses below the free surface of the liquid at the point of contact in the container (as shown in figure) when the capillary tube is dipped in it.
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Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.