Two thin lenses are of same focal length (A), but one is convex and the other one is…
Physics · NEET · NTA Exams — Optics
Two thin lenses are of same focal length (A), but one is convex and the other one is concave. When they are placed in contact with each other, the equivalent focal length of the combination will be:
- Infinite
- Zero
- \(\frac{f}{4}\)
- \(\frac{f}{2}\)
Answer
(A) Infinite
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