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← ScienceWhich signal distortion increases when multi-mode fiber bends?
A)Modal dispersion reduces signal clarity✓
B)Chromatic aberration alters pulse width
C)Rayleigh scattering lowers power levels
D)Fresnel reflection increases signal loss
💡 Explanation
Modal dispersion increases with bending because this alters arrival times of different modes, creating destructive interference rather than coherent transmission. Therefore, higher dispersion reduces signal clarity rather than alternative types of attenuation.
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