Question

water has concave meniscus give reason​

Answer 1

Explanation:

Ratio of 5m and 10kmis given by:

r=10×10005

r=20001

Answer 2

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When liquid water is confined in a tube, its surface (meniscus) has a concave shape because water wets the surface and creeps up the side. Mercury does not wet glass - the cohesive forces within the drops are stronger than the adhesive forces between the drops and glass.