An object is placed in front of a concave lens of focal length

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

Problem

An object is placed

30\,\text{cm}

in front of a concave lens of focal length

15\,\text{cm}

. What are the image distance

v

and the magnification

m

? (a)

v=+10\,\text{cm},\; m=-0.33

(b)

v=-10\,\text{cm},\; m=-0.33

(c)

v=-10\,\text{cm},\; m=+0.33

(d)

v=+10\,\text{cm},\; m=+0.33