Physics WAEC / WASSCE 1998 Elasticity, Density, Pressure & Fluids
Which of the following explains the concave meniscus of water in a clean glass tube? the
A
adhension between water and glass molecules is greater than the sdhension between water molecules
B
cohension between water molecules is greater then the adhension between glass and water molecule
C
molecules of water near the glass move faster than the molecules at the centre of the tube
D
molecules of water at the water-air boundary are often attracted to the centre of the tube
E
weight of the water pulls the centre part of the surface down
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