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Optical fibers are generally composed of …

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Optical fibers are generally composed of silica, with an index of refraction around 1.44. How fast does light travel in a silica fiber?

Posted by Aakriti Rustagi 5 years ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years ago

Refractive index of a medium is defined as the factor by which speed of light reduces as compared to the speed of light in vacuum.

→ More (less) refractive index implies less (more) speed of light in that medium, which therefore is called denser (rarer) medium.

Calculation :

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