The objective lens of a microscope has a focal length of 2cm and that of the eyepiece is 2.2cm and they are placed 8cm and 3cm apart from the objective lens.Find the distance of the;

Question

a)image I from the objective lens
b)final image

Answer 1

first, I would draw a ray diagram (to be used later).
Then, do the formulas you already know for each lens, and on the second lens, you will have to calculate the fo from the first image.