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If mu and mu(2) are the refractive indic...

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

A

`mu gt mu`

B

`mu lt mu`

C

`mu = mu`

D

None of these

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The correct Answer is:
A
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