dispersion of light
interference of light
refraction of light
polarization of light
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Discussions (8)
the best option here is refraction (C) as optical fibre deals with bending of light when it hits the normal due to the low refractive index of the rod used. and the light is kept inside by a series of total internal reflections till it reaches the other end of the rod.
An optical fibre is based on the principle of Total Internal Reflection.
When, a light ray enters into the optical fibre, it suffers multiple total internal reflection from the side surface and emerges from the other end without any loss of energy.
Optical fibres are generally made of glass or plastic having high refractive index and coated with a substance of lower refractive index.
Apparently the answer is not among the options.
though, the principle is based on total internal reflection which is also a form of refraction. so, we can go for refraction since reflection is a form of refraction.
