Answer to Question #333413 in Optics for Lhen

Question #333413

Two smooth reflecting surfaces (A and B ) ate perpendicular to each other.Light strikes surface A at a point 12cm from the point of intersection of surfaces A and B.If the angle of incidence is 30 degrees, how far from the point of intersection of the two surfaces will yhe reflected light from surface A steike surface B?

Expert's answer

"y=x+x\\sin30\u00b0=18~cm ."

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