question_answer

If \[{{\mu }_{1}}\] and \[{{\mu }_{2}}\] are the refractive indices of the materials of core and cladding of an optical fibre, 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