A light ray incident normally on a mirror retraces its path give reason
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Because of the property of plane mirror–
★ angle of incidence =Angle of reflection
When light incident normally means it will make 90° when strike so when get reflected it again make 90° angle. so that it appears that light retrace it's path.
★ angle of incidence =Angle of reflection
When light incident normally means it will make 90° when strike so when get reflected it again make 90° angle. so that it appears that light retrace it's path.
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