The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should be the position of the object?
- Between the principal focus and the centre of curvature
- At the centre of curvature
- Beyond the centre of curvature
- Between the pole of the mirror and its principal focus
The Correct Option is C
Solution and Explanation
The given characteristics (virtual, erect, and larger than the object) describe an image formed by a concave mirror when the object is located beyond the center of curvature.
Therefore, the correct option is (C): Beyond the centre of curvature.
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Concepts Used:
Spherical Mirrors
A spherical mirror is a mirror which has been cut out of a spherical surface.
There are two kinds of spherical mirrors:
- Convex Mirror
- Concave Mirror
Concave Mirror
Concave mirrors are also called converging mirrors, because in these types of mirrors, light rays converge at a point after impact and reflect back from the reflective surface of the mirror.
Convex Mirror
The convex mirror has a reflective surface that is curved outward. Regardless of the distance between the subject and the mirrors, these mirrors are "always" virtual, upright and reduced.