Optics Question 383
Question: To increase the magnifying power of telescope (fo = focal length of the objective and fe = focal length of the eye lens)
[MP PET/PMT 1988; MP PMT 1992, 94]
Options:
A) fo should be large and fe should be small
B) fo should be small and fe should be large
C) fo and fe both should be large
D) fo and fe both should be small
Show Answer
Answer:
Correct Answer: A
Solution:
By formula $ m=\frac{f _{o}}{f _{e}} $