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← ScienceWhich outcome increases in fiber optic cables due to imperfections?
A)Modal dispersion increases non-linearly✓
B)Bragg scattering yields strong reflections
C)Cerenkov radiation releases blue light
D)Raman scattering distorts short pulses
💡 Explanation
Modal dispersion introduces pulse broadening because *interference* between different modes delays certain signals rather than others, leading to distortion; therefore, modal dispersion increases with imperfections rather than Raman scattering whose intensity depends on the light pulse power.
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