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What should be the maximum acceptance an...

What should be the maximum acceptance angle at the aircore interface of an optical fibre if 1 n and 2 n are the refractive indices of the core and the cladding, respectively

A

`sin^(-1)(n_(2)//n_(1))`

B

`sin^(-1)sqrt(n_(1)^(2)-n_(2)^(2))`

C

`[tan^(-1)n_(2)/n_(1)]`

D

`[tan^(-1)n_(1)/n_(2)]`

Text Solution

Verified by Experts

The correct Answer is:
B
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