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JEE PHYSICS MCQ: COMMUNICATION SYSTEMS
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The glass of optical fiber has refractive index 1.55 and is clad with another glass of refractive index 1.51. When the surrounding is air, the numerical aperture will be
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Correct option: B
0.35
Option B (0.35) is correct because it is the result of applying the numerical aperture formula with the given refractive indices.
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