Question

A bunch of optical thin fibers form a​

Answer 1

An optical fiber is a very thin fiber made of glass or plastic having the radius about a 10-6 meter. 3. A bunch of such thin fibers forms a light ...

Answer 2

A bunch of optical thin fibres form a​ light pipe.

• An optical fibre is a very thin glass or plastic fibre with a diameter of less than a micrometre (10⁻⁶ m). A light pipe is formed by a group of similar threads.
• Working The operating of optical fibres is based on the principle of total internal reflection.
• Light entering the fibre has a virtually glancing incidence on the wall due to its short radius.
• Because the incidence angle is bigger than the Critical angle, an entire internal reflection occurs.
• As a result, light travels down the fibre.

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