Q. Optical fiber communication is generally preferred over general communication system because

A) It is more efficient
B) It has signal security
C) It can be jammed as easily as radiowaves
D) All of the above
Explanation

(d) An optical fibre is move efficient, has signal security and cannnot be grounded as easily as radiowaves

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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