Question

The magnification of the image is +0.2.lf the object distance is20cm find the image distance

Answer 1

Answer:

since the magnification is +2

then,the image must be virtual(I.e v=-ve)

and object distance is always -ve(-20cm)

Explanation:

M=v/u

+2=-v/-20

v=40cm

therefore the image distance is 40 cm..

Hope it helps!!!!!!