Which mechanism causes signal attenuation in a long-distance optical fiber cable at specific wavelengths during transmission?

💡 Explanation

When light propagates through optical fiber, Rayleigh scattering arises from density fluctuations causing elastic scattering of photons in random directions, attenuating the signal, especially at shorter wavelengths. Therefore, the effect of Rayleigh scattering rather than interference from fiber imperfections result in signal degradation

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