Question
The meniscus of water in a glass tube is concave, but that of mercury (Figure $\mathrm{P} 10.95)$ is convex. Explain why.
Step 1
Step 1: The meniscus of a liquid in a glass tube is determined by the relative strengths of the adhesive forces (between the liquid and the glass) and the cohesive forces (within the liquid itself). Show more…
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Explain why is meniscus in capillary tube concave for water and convex for mercury.
When water is confined in a glass tube, its meniscus (surface) has a concave shape, whereas mercury forms a convex meniscus when confined in a tube.
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