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Question

An optical fiber uses the principle of

A
diffraction of light
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B
absorption of light
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C
high transmission coefficient of the fiber material
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D
total internal reflection
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Solution

The correct option is D total internal reflection
Total internal Reflection is the principle of Reflection (light property) on which optical fiber work.

Moreover, the total internal reflection occurs when the energy of incident ray is equal to the energy of reflected ray. Due to this optical fiber communication work properly.

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