Q-12 An optical signal entering
the core suffers multiple
1.refractions
2.dispersion
3.scattering
4.total internal reflection
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4...total internal reflection
Working of optical fibre is based on the principle of total internal reflection. An optical signal (a ray of light) entering the core suffers multiple total internal reflections before emerging out after several kilometres. The optical signal travels with the highest possible speed in the material.
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