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State which surface of a plane mirror reflects most of the light incident on it: the front smooth surface or the back silvered surface.
Figure shows an incident ray AO and the normal ON on a plane mirror. The angle which the incident ray AO makes with mirror is 30°. (a) Find the angle of incidence. (b) Draw the reflected ray and then find the angle between the incident and reflected rays.
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State whether true or false. If false, correct the statement.
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