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optical fiber uses principle of total internal reflection, which can occur in any transparent medium that has

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Q.

Optical fiber uses principle of total internal reflection, which can occur in any transparent medium that has

[A] Lower index of refraction than the surrounding medium

[B] An equal index of refraction of the surrounding medium

[C] Higher index of refraction than the surrounding medium

[D] None of the above

Answer & Explanation
Option: [C]

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