ce of that lane hen ent An optical fibre is made of glass

Last updated: 6/25/2023

ce of that lane hen ent An optical fibre is made of glass fibre of refractive index 1 5 The outer coating of the glass fibre is made of material of refractive index 2 What is the range of angles of the incident rays with the axis of the pipe for which total internal reflection inside the optical fibre takes place 2 45 1 60 3 30