Q. If $\mu_{1}$ and $\mu_{2}$ are the refractive indices of the material of core and cladding of an optical fiber, then the loss of light due to its leakage can be minimised by having
A) $\mu_{1} > \mu_{2}$
B) $\mu_{1} < \mu_{2}$
C) $\mu_{1} = \mu_{2}$
D) None of these
Explanation
(a) Working of optical fiber is based on total internal reflection. Hence, $\mu_{1} > \mu_{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.