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JEE Main & Advanced Physics Communication System / संचार तंत्र Question Bank Self Evaluation Test - Communication System

  • question_answer
    The phenomenon by which light travels in an optical fibres is

    A) Reflection

    B)                                Refraction

    C) Total internal reflection

    D)        Transmission

    Correct Answer: C

    Solution :

    [c] In optical fibre, light travels inside it, due to total internal reflection.


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