Perpendicular to the plane of incidence of the ray

Reference no: EM13538012

Prove that when reflected, a ray of light incident upon a plane mirror rotates through an angle of 2q if the mirror is rotated through an angle of q. The mirror rotates about an axis that is perpendicular to the plane of incidence of the ray. The incident ray does not move and strikes the mirror at its pivot point.

Reference no: EM13538012

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