Q. The phenomenon utilised in an optical fibre is

A) Refraction
B) Interference
C) Polarization
D) Total internal reflection
Explanation

The correct answer is Option D: Total internal reflection.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.