Question

The core of an optical fiber transmits light with a minimal loss if it is surrounded by what? 

A

water

B

diamond

C

air

D

glass

E

fused quartz

Medium
Updated on : 2022-09-05
Solution
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Correct option is C)

Answer (c). 
We want a big difference between indices of refraction to have total internal reflection under the widest range of conditions.

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