Why mercury has positive meniscus upward?
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Hey mate!!!
➡️Formation of meniscus depends on cohesive and adhesive forces in a liquid.In water adhesive forces are larger than the cohesive forces, therefore water in a container stick to the wall of container and rises a little bit and form concave meniscus.In mercury cohesive forces are strong as compare to adhesive forces.
➡️Formation of meniscus depends on cohesive and adhesive forces in a liquid.In water adhesive forces are larger than the cohesive forces, therefore water in a container stick to the wall of container and rises a little bit and form concave meniscus.In mercury cohesive forces are strong as compare to adhesive forces.
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