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Which consequence results when internal reflection exceeds a fiber's limit?

A)Modal dispersion causes signal degradation
B)Chromatic aberration alters pulse arrival
C)Rayleigh scattering reduces signal power
D)Fresnel reflection creates return loss

💡 Explanation

Modal dispersion appears because multiple modes with differing path lengths interfere constructively and destructively. Therefore, signal integrity fails rather than chromatic effects or Rayleigh scattering occurring; those are wavelength/impurity dependent.

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