question_answer

For an optical fiber consists of a core (refractive index =\[{{\mu }_{1}}\]) and cladding (refractive index =\[{{\mu }_{2}}\])

A) \[{{\mu }_{1}}>{{\mu }_{2}}\]

B) \[{{\mu }_{1}}<{{\mu }_{2}}\]

C) \[{{\mu }_{1}}={{\mu }_{2}}\]

D) \[\frac{{{\mu }_{1}}}{{{\mu }_{2}}}=\frac{1}{2}\]