Question

In order to increase the magnifying power of a compound microscope

• A. The focal lengths of the objective and the eye piece should be small
• B. Objective should have small focal length and the eye piece large
• C. Both should have large focal lengths
• D. The objective should have large focal length and eye piece should have small

Answer 1

Answer: (A)

The focal lengths of the objective and the eye piece should be small

Answer 2

$| m | \propto \frac { 1 } { f _ { o } f _ { e } }$