Question

why does mercury drop it level in a capillary tube answer it and take brainliest from me​

Answer 1

Answer:

This is due to the property of surface tension. Water makes an acute angle of contact with glass, so it rises while mercury makes an obtuse angle of contact with glass , so it falls in a capillary tube.

Explanation:

Answer 2

Explanation:

Angle of contact of mercury with the glass tube is greater than 90o and it makes upper meniscus with glass, so mercury level drops in a capillary tube.