Question

# For an incident light ray on a mirror, If the angle between the mirror and the incident ray is $$30^{\circ}$$, what will be the angle of reflection?

A
30
B
60
C
90
D
150

Solution

## The correct option is B $$60^{\circ}$$Angle between mirror and incident ray=$$30^{o}$$Hence, angle of incidence, $$i=90^{o}-30^{o}=60^{o}$$=angle between incident ray and normalAnd , angle of reflection=angle of incidence$$\implies$$ angle of reflection=$$60^{o}$$Answer-(B).Physics

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