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JEE Main & Advanced Physics Ray Optics JEE PYQ-Ray Optics

  • question_answer
    Which of the following is used in optical fibres?                                               [AIEEE 2002]

    A) Total internal reflection

    B) Scattering                   

    C) Diffraction                  

    D) Refraction

    Correct Answer: A

    Solution :

    [a] Optical fibres work on the principle of total internal reflection.


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