Question

A liquid rises to a height of 50cm in a capillary
tube of diameter 0.04mm. If denisity of liquid
is 0.8 x 103 kg m and angle of contact is 20°
the surface tension of the liquid is
(Cos 20º = 0.94) M
64​

Answer 1

Answer:

Surface Tension ( T ) = 4.25 × 10-³ N

See the attachment