Q. The principle used in the transmission of signal through an optical fibre is
A) Total internal reflection
B) Reflection
C) Refraction
D) Dispersion
Explanation
(a) The optical fibres are used to transmit light signals from one place to another without any practical loss in the intensity of light signal. It works on the principle of total internal reflection.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.