Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Ray Optics

Question:

Four lenses of focal length ±5 cm and ±200 cm are available for making a telescope. To produce the largest magnification for making a telescope with the help of these lenses, the focal length of eye piece should be:

Options:

+200 cm

-5 cm

-200 cm

+5 cm

Correct Answer:

+5 cm

Explanation:

The correct answer is Option (4) → +5 cm