Question

calculate caprllary rise or fall if a glass tube of dia 1mm is immersed in (1) water. (2) mercury. Take value of surface tension 0.73 for water and 0.510 for mercury.​

Answer 1

Capillary action (sometimes capillarity, capillary motion, capillary effect, or wicking) is the ability of a liquid to flow in narrow spaces without the assistance of, or even in opposition to, external forces like gravity.