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

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Is a plane mirror

Is a concave mirror

Is a convex mirror

May be any spherical mirror Question Image

answer is A.

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Detailed Solution

The figure shows two rays A and B being reflected by a mirror and going as A' and B'. The mirror is a plane mirror.
The image shows that incident rays A and B are parallel and are falling on the object. Therefore, rays A’ and B’ are the reflected rays. It is given that A’ and B’ are still parallel after reflection. So, this situation is possible only in the case of a plane mirror. In the case of a convex mirror, if the incident ray is parallel to the principal axis, then after reflection, it will diverge or appear to pass through focus. Whereas in the case of a concave mirror, if the incident ray is parallel to the principal axis, then after reflection, it will converge and pass-through focus, thus forming a real image of an object.

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