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A point object is placed at a distance of 20 cm from a convex mirror of focal length 20 cm. The image will form at:(a) at infinity (b) at focus (c) at the pole (d) behind the mirror
(d) behind the mirror.
Explanation
Convex mirror refers to the mirror that is curved outward in the middle and, whose reflecting surface is away from the centre of curvature. It forms a virtual, erect and diminished image behind the mirror.
The virtual images form when the light rays appear to meet at a definite point, after reflection from the mirror, and they are assumed to be formed at the backside of the mirror. These images can't be projected on a screen as they are virtual.
Updated on: 10-Oct-2022
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