JEE PHYSICS MCQ: COMMUNICATION SYSTEMS

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A given fiber has core refractive index of 1.5 and a core cladding index difference factor (∆) of 0.01125. The numerical aperture is

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Correct option: B

0.225

Option B (0.225) is correct because it is the result of applying the numerical aperture formula with the given refractive index and index difference factor.

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