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    What is the relation between the refractive index of core n1 and cladding n2?
    Question

    What is the relation between the refractive index of core n1 and cladding n2?

    A.

    n₁ is equal to n₂

    B.

    n₂ is less than n₁

    C.

    n₁ is less than n₂

    D.

    There is no relation between n₁ and n₂

    Correct option is B



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