Plane mirrors are used in making periscopes. They are placed at 45-degree angles to the line of sight, allowing light to be reflected from one mirror to another, enabling a person to see over or around obstacles by reflecting the ...
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Plane mirrors are used in making periscopes. They are placed at 45-degree angles to the line of sight, allowing light to be reflected from one mirror to another, enabling a person to see over or around obstacles by reflecting the ...