English, asked by sagun26, 9 months ago

obtain an
an expression for the rise or
or fall of liquid is a
tube using force method ?
Capillary

Answers

Answered by veernautiyal33

Answer:

The surface on the top liquid inside the capillary tube has a trough (cup) like shape. Assume the angle of contact with the walls be Ф. Surface tension is the contact force per unit length along the circumference of top surface. This force pulls the liquid vertically upwards.

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