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← ScienceWhich consequence during transmission impacts fiber optic cable performance?
A)Modal dispersion degrades signal integrity✓
B)Increased impedance generates standing waves
C)Refractive index creates total reflection
D)Chromatic aberration reduces optical power
💡 Explanation
Modal dispersion spreads the pulse in time and reduces distances because different light modes travel different arrival times. Wavelength pulses lengthen leading to degraded information throughput, therefore modal dispersion limits bandwidth rather than power attenuation; refractive differences.
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