Optics Question 408
Question: Four convergent lenses have focal lengths 100 cm, 10 cm, 4 cm and 0.3 cm. For a telescope with maximum possible magnification, we choose the lenses of focal length
[KCET 1994]
Options:
A) 100 cm, 0.3 cm
B) 10 cm, 0.3 cm
C) 10 cm, 4 cm
D) 100 cm, 4 cm
Show Answer
Answer:
Correct Answer: A
Solution:
$ m=-\frac{f _{0}}{f _{e}} $ .
