Question

Define periscope in ur own language​

Answer 1

Answer:

By using a periscope,we can see the objects on the other side of the wall without having to climb over the wall. A periscope can also be used to see over the heads of the crowd.We can see our enemies through periscope.A periscope is made by using two plans mirrors.A periscope works on the reflection of light from two plane mirrors arranged parallel to one another.

The periscope is a device which gives us a higher view than normal.Also with the help of periscope,a person sitting in a submarine can see ships over the surface of sea