Question

15. IF liquid falls in the capillary then shape
of miniscus is...
​

Answer 1

Answer:

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. ... When liquid mercury is confined in a tube, its surface (meniscus) has a convex shape because the cohesive forces in liquid mercu

Answer 2

In liquids such as water, the meniscus is concave; in liquids such as mercury, however, which have very strong cohesive forces and weak adhesion to glass, the meniscus is convex (Figure 11.3. 4). Polar substances are drawn up a glass capillary and generally have a concave meniscus.