Q. The diameter of an optical fiber is
A) $10^{- 5}$m
B) $10^{- 4}$m
C) $10^{- 3}$cm
D) $10^{- 2}$cm
Explanation
(b) The diameter of optical fiber is $10^{- 4}$ cm
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.