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  1. On which bands, do the optical fibers operate?

    1. Ultra violet band
    2. Ultra high frequency band
    3. Visible light band
    4. Infrared band
    Select the correct answer from the codes given below:

    2. A.
    1 only
    B.
    1 and 2 only
    C.
    1, 2 and only
    D.
    1, 3 and 4

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    Answer : Option D

    Explanation :

    No answer description available for this question.

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