A concave lens of focal length 12 cm produces an erect image that is half the height…

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

Problem

A concave lens of focal length 12 cm produces an erect image that is half the height of the object. Find the object distance. (a)

-36\,\text{cm}

(b)

-12\,\text{cm}

(c)

+12\,\text{cm}

(d)

-6\,\text{cm}