A plane mirror reflecting a ray of incident l | vedclass

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Question

(D) When a plane mirror is rotated by an angle $	heta$ while keeping the incident ray fixed,the normal to the mirror also rotates by an angle $	heta

Vedclass · Accepted Answer

Both $(b)$ and $(c)$

Vedclass · Answer

(D) When a plane mirror is rotated by an angle $	heta$ while keeping the incident ray fixed,the normal to the mirror also rotates by an angle $	heta$.Initially,the angle of incidence is $i$. After rotation,the new angle of incidence becomes $i + 	heta$ or $i - 	heta$.The angle of reflection also changes accordingly,resulting in the reflected ray rotating by an angle of $2	heta$ in the same direction as the mirror's rotation.Therefore,both statements $(b)$ and $(c)$ are correct.

$A$ plane mirror reflecting a ray of incident light is rotated through an angle $\theta$ about an axis through the point of incidence in the plane of the mirror perpendicular to the plane of incidence,then

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