A glass tube of 8 mm ID is immersed in a liquid at 20°C. The specific weight of the liquid is 20601 N/m 3 . The contact angle is 60°. The capillary rise was 1.82 mm. Determine the value of surface...

A glass tube of 8 mm
_ID
is immersed in a liquid at 20°C. The specific weight of the liquid is 20601 N/m³. The contact angle is 60°. The capillary rise was 1.82 mm. Determine the value of surface tension and also the radius of curvature of the meniscus.