Question

An object of height 4.0cm is placed at a distance of 30cm from the optical center 'O' of a convex lens of a focal length 20cm. Draw a ray diagram to find the position and size of the image formed. mark optical center 'O' and principal focus 'F' on the diagram also find approximate ratio of size of the image to the size of the object

Answer 1

9 .0 f is to rainfall and your