The figure shows two rays A and B being refle | vedclass

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(A) In the given figure,the incident rays $A$ and $B$ are parallel to each other. After reflection from the mirror,the reflected rays $A'$ and $B'$ al

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is plane

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(A) In the given figure,the incident rays $A$ and $B$ are parallel to each other. After reflection from the mirror,the reflected rays $A'$ and $B'$ also remain parallel to each other.For a spherical mirror (concave or convex),parallel incident rays will either converge to a focus or appear to diverge from a focus,meaning they will not remain parallel after reflection.Only a plane mirror can reflect a set of parallel incident rays as a set of parallel reflected rays,regardless of the angle of incidence,provided the surface is flat.Therefore,the mirror must be a plane mirror.

The figure shows two rays $A$ and $B$ being reflected by a mirror and emerging as $A'$ and $B'$. The mirror

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