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Answer the following.

A thin convex lens of focal length is cut into parts and then combined as shown in Fig 1 and Fig 2…

Physics20251 markShort answer
A thin convex lens of focal length $f$ is cut into parts and then combined as shown in Fig 1 and Fig 2. Evaluate the focal length of the combination, in: figure 2
Fig 1 and Fig 2
Fig 1 and Fig 2

Answer

Answer

Official answer key
F = $\infty$
Ray Optics and Optical Instruments

From ISC 2025 Practice Physics, question 49(b).

Check your working with the Lens and mirror calculator: image distance, magnification and nature for any lens or mirror, with the ray diagram.