Optics Question 352
In order to increase the magnifying power of a compound microscope, the focal length of the objective lens should be decreased and the focal length of the eyepiece should be increased.
[JIPMER 1986; MP PMT 1997]
Options:
A) The focal lengths of the objective and the eyepiece should be short
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 eyepiece should have small
Show Answer
Answer:
Correct Answer: A
Solution:
$ |m|\ \propto \frac{1}{f _{o}f _{e}} $
BETA
