Question

If the central portion of a convex lens is wrapped in black paper as shown in the figure

• A. No image will be formed by the remaining portion of the lens
• B. The full image will be formed but it will be less brigtht
• C. The central portion of the image will be missing
• D. There will be two images each produced by one of the exposed portions of the lens

Answer 1

Answer: (B)

Since aperture of lens reduces so brightness will reduce but there will be no effect on size of image