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the attenution in optical fibre is mainly due to

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the attenution in optical fibre is mainly due to
A. Absorption
B. Scattering
C. Neither absorption nor scattering
D. Both `(a)` and `(b)`
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Correct Answer - d
A very small part of light energy is lost from an optical fibre due to absorpting or due to light leaving the fibre as a result of scatteringn of light sideways by impurities in the glass fibre.
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