When a ray of light strikes the surface of a smooth object such as a plane, mirror, it is reflected in a particular way.A ray of light is reflected from a plane surface at the same angel as it hits it.
The periscope is an optical instrument used to see over high objects or around corners. A periscope is able to do this because it contains two plane mirrors that change the directions of the rays of light.
The periscope is an optical instrument used to see over high objects or around corners. A periscope is able to do this because it contains two plane mirrors that change the directions of the rays of light.
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