Question

Statement 1: Optical fibres are used to transmit light without
any appreciable loss in its intensity over distance of several
kilometers.
Statement 2 : Optical fibres are very thick and all the light is
passed through it without any loss.

Answer 1

Answer:

Optical fibers are very thin, of the order of thickness of human hair. Based on the phenomenon of total internal reflection, optical fibers transmit light over very large distances, with minimum loss in intensity.

Answer 2

Answer:

both a and b are true ...........