Q. The attenuation in optical fibre is mainly due to
A) Absorption
B) Scattering
C) Neither absorption nor scattering
D) Both (a) and (b)
Explanation
(d) A very small part of light energy is lost from an optical fibre due to absorption or due to light leaving the fibre as a result of scattering of light sideways by impurities in the glass fibre.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.