Question:
Q1 A glass capillary tube is of the shape of a trun cated
Last updated: 6/10/2023
![Q1 A glass capillary tube is of the shape of a trun cated](https://media.kunduz.com/media/sug-question-candidate/20210524142458232761-3371989.jpg?h=512)
Q1 A glass capillary tube is of the shape of a trun cated cone with an apex angle a so that its two ends have cross sections of different radii When dipped in water vertically water rises in it to a height h where the radius of its cross section is b If the surface tension of water is S its density is p and its contact angle with glass is the value of h will be where g is acceleration due to gravity 2014 2 S bpg A cos a B cos 8 2 2S cos 0 a cos 8 a 2