Periscope is built using the concept of

refraction

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reflection

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polarization

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dispertion

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Solution

The correct option is B reflection
Periscope works on the principle of multiple reflections of light. It consists of two mirrors. Lights rays fall on one mirror, get reflected, fall on the other mirror, and get reflected again.

Answer-(B)

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Similar questions

State the various uses of a periscope.

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