Periscopes and Light

where are periscopes used ?

• fire departments

• submarines

• hospitals

Tags

NGSS.MS-PS4-2

who in invented periscope?

• A.O Humes

• Jules Carpentier

• Albert Einstien

• marie curie

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

Tags

NGSS.MS-PS4-2

What is the angle of mirror in periscope

• 35

• 45

• 55

• 65

How many mirrors there are in the periscope?

• 5

• 4

• 3

• 2

How does periscope works?

• A periscope works by using two mirrors to reflect light from one mirror to another for the person to see the things that is behind a high obstacle.

• It works by using one mirror to reflect for us to see things behind a high obstacle.

• It works by using one glass to reflect for us to see things behind a high obstacle.

Tags

NGSS.MS-PS4-2

What is the working principle of a periscope?

• A periscope works on the Refraction of Light.

• A periscope works on the Law of Reflection.

• A periscope works on the Dispersion of Light.

Tags

NGSS.MS-PS4-2

To make a periscope, which object is used?

• Mirror

• Glass

• Any shiny object

To make a periscope which property of light is taken into consideration?

• - Light travels in a straight line

• - The angle at which light rays fall on a mirror is equal to the angle at which light rays are reflected

• - Light bounces off reflective materials

• All of the above

Tags

NGSS.MS-PS4-2