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

Question

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

✓

Answer

Periscope is one such device which works on the reflection of reflected light. The light from the object falls on one mirror that is placed at $45^{\circ}$ to the object and the light gets reflected. This reflected light in turn falls on another mirror and is again reflected until it reaches the eyepiece.

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