Optical fiber works on the principle of __________.

total internal reflection

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refraction

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scattering

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inteference

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Solution

The correct option is A total internal reflection
Optical fiber works on the principle of total internal reflection that the ray get internally reflected when it passes from a denser medium to rarer medium provided angle of incidence is greater than crictical angle.

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Name the principle on which Optical Fiber works:

μ = 1.72

μ = 1.5

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