SATHEE: Optics Question 411

Optics Question 411

Question: The length of a telescope is 36 cm. The focal lengths of its lenses can be

[Bihar MEE 1995]

Options:

A) 30 cm, 6 cm

B) ? 30 cm, ? 6 cm

C) 30 cm, ? 6 cm

D) ? 30 cm, 6 cm

Show Answer

Answer:

Correct Answer: A

Solution:

Total length $ L=f _{o}+f _{e} $ and both lenses are convex.

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Optics Question 411

Question: The length of a telescope is 36 cm. The focal lengths of its lenses can be

Options:

Answer:

Solution:

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