Question

A point object O is placed at a distance of 0.3 m from a convex lens (focal length 0.2 m) cut into two halves each of which is displaced by 0.0005 m as shown in the figure.

What will be the location of the image?

(a)  30 cm, right of lens

(b)  60 cm, right of lens

(c)  70 cm, left of lens

(d)  40 cm, left of lens

Answer 1

Correct option  (b) 60 cm, right of lens

Explanation :

1/v - 1/-30 = 1/+20 

v = 60 cm