Question

which of the following lights travels the fastest in optical fibers​

Answer 1

answer: Invisible infrared rays,for short answer

Answer 2

Answer:

In normal optical fibers (silica glass), light travels a full 31% slower. Light actually travels faster through air than glass — which leads us neatly onto the creation of Francesco Poletti and the other members of his University of Southampton team: A hollow optical fiber that is mostly made of air.Mar 25, 2013

Explanation:

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