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If mu(1) and mu(2) are the refractive in...

If `mu_(1)` and `mu_(2)` are the refractive indices of the materials of core and cladding of an optical fibre, then the of light due to its leakage can be minimised by having

A

`mu_(1) gt mu_(2)`

B

`mu_(1) lt mu_(2)`

C

`mu_(1)=mu_(2)`

D

none of these

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A
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