Mathematics, 27.01.2021 22:50 Ezonthekid
A periscope is a device that allows an observer on a submarine to search visually above the water when the submarine is submerged at a relatively shallow depth In a periscope, the mirrors are mounted parallel to each other as shown. Light rays enter the periscope from the right and strike the upper mirrorLight rays reflect from that mirror at the same angle at which they strike the mirror, so angle1 cong angle2 can you say about angle3 the angle at which the reflected light ray strikes the lower mirror?
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