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← ScienceWhich consequence results when monochromatic light encounters flaws in optical fiber?
A)Constructive interference creates modal dispersion✓
B)Chromatic aberration scatters shorter wavelengths
C)Polarization rotation minimizes signal loss
D)Reduced core size improves Snell's Law
💡 Explanation
Modal dispersion increases because constructive interference amplifies certain modes along fiber imperfections; these flaws cause a variation in group delay, therefore the pulse broadens, rather than improved light transmission as suggested in options B, C, and D.
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