Name a device which works on the reflection of reflected light.

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Solution

The device is periscope

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Similar questions

Name three devices which work on the reflection of sound.

A device which works on the reflection of light from two plane mirrors arranged parallel to one another is:

(a) electroscope

(b) kaleidoscope

(d) stethoscope

What do you mean by reflection of sound ?

State one condition for the reflection of a sound wave.

Name a device in which reflection of sound wave is used.

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