Uttarakhand PMT Uttarakhand PMT Solved Paper-2007

  • question_answer
    Which one of the following phenomena is used in optical fibres?

    A)  Scattering

    B)  Successive reflections

    C)  Refraction

    D)  Total internal reflection

    Correct Answer: D

    Solution :

     Total internal reflection phenomenon is used in optical fibres.


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