A makeup mirror is designed so that a person located from the mirror sees an upright…

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

Problem

A makeup mirror is designed so that a person located 25 cm25\,\text{cm} from the mirror sees an upright image of the face that is twice the actual size. Which of the following mirrors will meet this specification? (a) A concave mirror of focal length 12.5 cm12.5\,\text{cm} (b) A convex mirror of focal length 16.7 cm16.7\,\text{cm} (c) A concave mirror of focal length 50 cm50\,\text{cm} (d) A concave mirror of focal length 16.7 cm16.7\,\text{cm}

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