Question

A 10 cm tall object is placed perpendicular to
the principal axis of a convex lens of focal length
20 cm. The object distance is 40 cm. The size of the
image formed is (in cm) :​

Answer 1

Answer:

10/3 cm​

Step-by-step explanation:

1/y = 1/f - 1/x = - 1/20 - 1/40 = -3/40 , y = - 40/3

magnification = y/x = 1/3

The size of the

image formed =  10/3 cm​