Please include ALL steps so I can learn. Thanks Two people stand 4.0 m away from

Question

Please include ALL steps so I can learn. Thanks
Two people stand 4.0 m away from a large plane mirror andspaced 3.7 m apart in a dark room. At what angle of incidenceshould one of them shine a flashlight on the mirror so that thereflected beam directly strikes the other person?
°
Please include ALL steps so I can learn. Thanks
Two people stand 4.0 m away from a large plane mirror andspaced 3.7 m apart in a dark room. At what angle of incidenceshould one of them shine a flashlight on the mirror so that thereflected beam directly strikes the other person?
°

Explanation / Answer

Two people stand 4.0 m away from a large plane mirror and spaced3.7 m apart in a dark room. At what angle of incidence should oneof them shine a flashlight on the mirror so that the reflected beamdirectly strikes the other person? the vertical distance =4m from the mirror let us assume that the ray from one person incident on the mirrorat an angle of on the mirror from the laws of reflection angle of reflection is also equal to hence tan =1.85/4 3.7/2=1.85m so =tan-1[1.85/4]=24.82degree note to draw the picture cramster is not supporting. pl follow the procedure

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