Four double convex lenses, with the foll

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Target Exam

CUET

Subject

Physics

Chapter

Ray Optics

Question:

Four double convex lenses, with the following specifications are available.

Which two of the given four lenses should be selected as the objective and eye-piece to construct an astronomical telescope?

Options:

Lenses A and C respectively

Lenses B and C respectively

Lenses A and D respectively

Lenses B and D respectively

Correct Answer:

Lenses A and D respectively

Explanation:

The correct answer is Option (3) → Lenses A and D respectively $n^{2}$