Question

4 .Fibre optic periscope is used for transport purpose true or false​

Answer 1

Answer:

FALSE

Explanation:

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Answer 2

Answer:

True- The optic periscope is used for transport purpose.

Explanation:

• The optic periscope is an optical apparatus used in land and submarine navigation, and other applications to allow a viewer to see his surroundings while remaining submerged, or underwater.

• Optical fibres are commonly used to convey light between two ends of a fibre and are widely employed in fiber-optic communications, where they allow transmission over greater distances and at higher bandwidths (data transfer speeds) than electrical lines.

• The principle of total internal reflection governs fibre optics. When light strikes the border between two materials, it is reflected so that it never leaves the first substance.