Question

One half of a convex lens is covered with black paper.
(a) Show the formation of image of a object placed at 2F, of such
covered lens with the help of ray diagram. Mention the position and
nature of the image.
(b) Draw the ray diagram for same object at same position in front of
the same lens, but now uncovered. Will there be any difference in
image obtained in the two cases ? Give reasons for your answers






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Answer 1

Answer:

Complete image will be formed when the one half of a convex lens is covered with a black paper. Basically the other half refract to form the final image.

Full images are formed in both the cases. It is just the intensity of the image which is different. The intensity of image in Case 1 will be half of Case 2

solution