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JEE Main & Advanced Physics Communication System / संचार तंत्र Question Bank Communication

  • question_answer
    The phenomenon by which light travels in an optical fibres is                                                      [DCE 2001]

    A)            Reflection                             

    B)            Refraction

    C)            Total internal reflection   

    D)            Transmission

    Correct Answer: C

    Solution :

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


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