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  1. Optical fibre works on which of the following principle of light?

    2. A.

     Reflection
    B.

     Refraction
    C.

     Diffraction
    D.

     Total internal reflection

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    Answer : Option D

    Explanation :

    The optical fibre is a device which works on the principle of total internal reflection by which light signals can be transmitted from one place to another with a negligible loss of energy.

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