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}} $ .



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