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Target Exam

CUET

Subject

Physics

Chapter

Ray Optics

Question:

Two thin lenses are in contact and the focal length of the combination is 60 cm. If the focal length of one lens is 20 cm, the focal length of the other would be:

Options:

60 cm

- 30 cm

20 cm

15 cm

Correct Answer:

- 30 cm

Explanation:

The correct answer is Option (2) → - 30 cm

CUET Questions