Question

36. (i) Write down the lens formula. What is the magnification produced by a lens?
(ii) A 2 cm tall object is placed perpendicular to the principal axis of a convex lens of focal
length 10 cm. The distance of the object from the lens is 15 cm. Find the nature, position and size
of the image. What is its magnification?​

Answer 1

Explanation:

v=+30

image beyond C2

m = -2

real inverted magnified image is obtained