Question

In a second microscope magnification will be large, if the focal length of the eye piece is

• A. Large
• B. Smaller
• C. Equal to that of objective
• D. Less than that of objective

Answer 1

The correct option is B Smaller

For a compound microscope $m\propto \frac{1}{f_o{f}_e}$

so,

In a second microscope, magnification will be large if the focal length of the eyepiece is smaller.