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JEE PHYSICS MCQ: RAY OPTICS
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If are the refractive indices of the materials of core and cladding of an optical fibre, then the loss of light due to its leakage can be minimized by having
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Correct option: A
Option A () is correct because the refractive index of the core must be greater than the refractive index of the cladding to minimize light loss due to total internal reflection.
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