periscope

where are periscopes used ?

• fire departments

• submarines

• hospitals

who in invented periscope?

• A.O Humes

• Jules Carpentier

• Albert Einstien

• marie curie

identify the inventor?

which of the following properties are used while using the periscope ?

• gravitational force

• reflection of light

• property of lights and beams

• instrument based of multiple reflections

when light rays strike an opaque surface and bounce back into the same medium, then the reflection of light occurs

• true

• false

which of the following steps don't follow in making of a periscope

• take a curve elbow joint tube for the base of the periscope

• find 2 plates that fit the pipe

• find 2 mirrors that fit the pipe