Calculate the image distance produced by a convex lens of focal length when an object…

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

Problem

Calculate the image distance

v

produced by a convex lens of focal length

20\,\text{cm}

when an object is placed

30\,\text{cm}

in front of the lens. (a)

+12\,\text{cm}

(b)

+60\,\text{cm}

(c)

-12\,\text{cm}

(d)

+18\,\text{cm}