A ray of light is incident on a plane mirror | vedclass

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Question

(A) When a ray of light is incident normally (perpendicularly) on a plane mirror,it strikes the surface along the normal.By definition,the angle of in

Vedclass · Accepted Answer

Angle of incidence = $0^{\circ}$,Angle of reflection = $0^{\circ}$

Vedclass · Answer

(A) When a ray of light is incident normally (perpendicularly) on a plane mirror,it strikes the surface along the normal.By definition,the angle of incidence $(i)$ is the angle between the incident ray and the normal at the point of incidence.Since the ray is incident along the normal,the angle between them is $0^{\circ}$,so $i = 0^{\circ}$.According to the laws of reflection,the angle of incidence is equal to the angle of reflection $(i = r)$.Therefore,the angle of reflection $(r)$ is also $0^{\circ}$.

$A$ ray of light is incident on a plane mirror normally. What are the angle of incidence and the angle of reflection?

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