Question

explain about periscope​

Answer 1

Explanation:

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

➣ AnSwer :-

⟶ Periscope :-

• A periscope is a long, tubular device through which a person can see objects that are out of the direct line of sight.
• The periscope makes use of two plane mirrors to see over the top of things. Principle.
• A periscope works on the reflection of light from two plane mirrors arranged parallel to one another.