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← ScienceWhich 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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