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A silicon optical fiber has a core refractive index of 1.50 and a cladding refractive index 1.47 what is the numerical aperture of the fiber? 

(A) 0.90 

(B) 0.60 

(C) 0.45 

(D) 0.30

1 Answer

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Best answer

The correct option is (D) 0.30.

Explanation:

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