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, respectivelyA. `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))]`

What should be the maximum acceptance angle at the aircore interface o

1.	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, respectivelyA. `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))]`
Answer» Correct Answer - B

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