Q. Which fibers are less expensive and simple to construct?
A) Single-mode step index fiber
B) Multi-mode step index fiber
C) Multi graded index fiber
D) All are equally expensive
Explanation
(b) Multi-mode step index fibers are less expensive and easy to construct
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.