Question

How does a periscope work?

Answer 1

Answer:

A periscope is an optical instrument that uses a system of prisms, lenses or mirrors to reflect images through a tube. Light from a distant object strikes the top mirror and is then reflected at an angle of 90 degrees down the periscope tube.

Answer 2

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Periscope

It is another instrument which is based on the principle of multiple reflection. A periscope is a long tubular device through which a person can see objects that are out of the direct line of sight. This instrument consists of two plane mirrors that are placed at a vertical angle of 45 ° in the kaleidoscope, the mirrors are placed touching each other but in a periscope the mirrors are kept at a distance from each other. The image formed by the mirror acts as the object for the other mirror.