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  1. Optical fiber works on the principle of

    2. A.

     Scattering
    B.

     Interference
    C.

     Total internal reflection
    D.

     Refraction

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    Answer : Option C

    Explanation :

    Optical fiber works on the principle of total internal reflection.
    The Total Internal Reflection is the phenomenon in which the complete reflection of a light ray reaching an interface with a less dense medium when the angle of incidence exceeds the critical angle.

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