Question

What is the formula for magnification obtained with a lens?
a) Ratio of height of image to height of object
b) Double the focal length.
c) Inverse of the radius of curvature.
d) Inverse of the object distance

Answer 1

Explanation:

Let's explore the magnification formula (M= v/u) for lenses and see how to find the image height and its nature (whether it's real or virtual).