Redraw the following diagram on your answer-sheet and show the path of the reflected ray. Also mark the angle of incidence (i) and the angle of reflection (r) on the diagram.

when a ray of light passes through the focus of a concave mirror then it becomes parallel to the principal axis. Here incident ray AE is passing through the focus F of concave mirror and strikes the mirror at E, then it gets reflected through path EG parallel to the axis.

Also,


Angle of incidence = angle of reflection


i = r



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