Q. Numerical aperture of optical fiber is a measure of
A) Its resolving power
B) Its light gathering power
C) The pulse dispersion
D) The attenuation of light through it
Explanation
The correct answer is Option B: Its light gathering power.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.