JCECE Engineering JCECE Engineering Solved Paper-2010

  • question_answer
    The attenuation in optical fibre is mainly due to

    A)  absorption

    B)  scattering

    C)   Neither absorption nor scattering

    D)   Both [a] and [b]

    Correct Answer: D

    Solution :

    A very small part of light energy is lost from an optical fibre due to absorption or due to light leaving the fibre as a result of scattering of light sideways by impurities in the glass fibre.


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