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(D) The shape of the liquid meniscus depends on the relative magnitudes of the cohesive force $(F_c)$ and the adhesive force $(F_a)$.When the cohesive

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Convex

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(D) The shape of the liquid meniscus depends on the relative magnitudes of the cohesive force $(F_c)$ and the adhesive force $(F_a)$.When the cohesive force between liquid molecules is much stronger than the adhesive force between the liquid and the solid surface $(F_c > F_a)$,the liquid molecules tend to pull away from the solid surface.This results in a convex meniscus near the point of contact with the solid.$A$ classic example of this behavior is mercury in a glass vessel.

Consider a liquid contained in a vessel. The liquid-solid adhesive force is very weak compared to the cohesive force in the liquid. The shape of the liquid surface near the solid shall be

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