Home
Class 12
PHYSICS
A capillary tube is made of glass of ref...

A capillary tube is made of glass of refractive index `n'`. The outer radius of the tube is `R`. The tube is filled with a liquid of refractive index `n lt n'`. What should be the minimum internal radius of the tube so that any ray that hits the tube would enter the liquid.

Promotional Banner

Similar Questions

Explore conceptually related problems

If you double the radius of the capillary tube, what will be the drop in height rise in the tube?

The height to which a liquid rises in a capillary tube is_____proportional to the radius of the tube and ________proportional to the surface tension of the liquid.

The radius of the bore of a capillary tube is r and the angle of contact of the liquid is theta . When the tube is dipped in the liquid , the radius of curvature of the meniscus of liquid rising in the tube is

The radius of the bore of a capillary tube is r and the angle of contact of the liquid is theta . When the tube is dipped in the liquid , the radius of curvature of the meniscus of liquid rising in the tube is

A capilary tube is kept vertical and made to touch the surface of the liquid of surface tension T . If the radius of the capillary tube is 'r' . Then the force on the wall of the capillary tube is

A capillary tube of radius r is placed in a liquid I the angle of contact is theta , the radius of curvature R of the meniscus in the capillary is