VIT Engineering VIT 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 area resulting scattering of light sideways by impurities in the glass fibre.  


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