Question

# Figure shows an incident ray AO and the normal ON on a plane mirror . The angle which the incident ray AO makes with the mirror is $$30^{\circ}$$Draw the reflected ray and then find the angle between the incident and reflected rays.

Solution

## The angle between the incident and reflected ray = angle of incidence + angle of reflection Since angle of incidence = angle of reflection. Therefore , angle between the reflected ray and the incidence ray = $$60^{\circ} + 60^{\circ} = 120^{\circ}$$ PhysicsNCERTStandard XII

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