A convex spherical mirror has a focal length of

PHYSICS · Single correct · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

A convex spherical mirror has a focal length of −12 cm-12\,\text{cm}. Which of the following best describes the possibility of obtaining an upright image that is the same size as the object with this mirror? (a) Possible only if the object is 12 cm12\,\text{cm} from the mirror. (b) Possible only if the object is 24 cm24\,\text{cm} from the mirror. (c) Not possible for any finite object distance. (d) Possible for any object distance greater than 24 cm24\,\text{cm}.

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