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Railways R.R.C. (Delhi) Solved Paper Held on 1st Shift 23-11-2014

  • question_answer
    Optical fibre works on the principle of?

    A) Scattering

    B) Interference

    C) Total internal reflection

    D) Refraction

    Correct Answer: C

    Solution :

    Optical fibre works on the principles of total Internal Reflection.


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