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# Optical fibres use for transmission the principle of

$\begin{array}{1 1}(a)\;\text{Modulation}\\(b)\; \text{Super position}\\(c)\;\text{Total internal reflection}\\(d)\;\text{Amplification}\end{array}$

Can you answer this question?

Optical fibres use the principle of total internal reflection for transmission of light.
Hence (c) is the correct answer.
answered Mar 17, 2014