Periscope & Pin-Hole Camera
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What is a Periscope?
A periscope is a tube which people inside submarines can look through to see above the surface of the water.
What is the basic principle of a periscope based on?
Reflection of Light
How does a Periscope work?
A periscope works by using two mirrors to reflect light from one mirror to another for the person to see the things above the ground/sea
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