NDA General Science Physics Questions Part 1

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Question : 39 of 100

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Optical fibres, though bent in any manner, allows light to pass through. What is the inference that one can draw from it ?

[NDA I 2015]

The concept that light travels in straight path is wrong
Light can flow through the optical fibres
Light can travel through the fibres because of their ductility
Light can travel through the fibres due to multiple total internal reflections

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