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

No image will be formed by the remaining portion of the lens

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The full image will be formed but it will be less bright

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The central portion of the image will be missing

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There will be two images each produced by one of the exposed portions of the lens

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Solution

The correct option is D The full image will be formed but it will be less bright
As the image is formed by a large number of rays from the object. So, if any part of the lens is covered, the image will form. The brightness of image will be less compared to the image formed by without wrapping the lens.

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Similar questions

How will the image formed by a convex lens be affected, if the central portion of the lens is wrapped in black paper, as shown in the figure?

How will the image formed by a convex lens be affected, if the central portion of the lens is wrapped in black paper, as shown in the figure below?

The centre of curvature of a convex lens is at $40 c m$ and its central portion is wrapped in black paper as shown below. If an object is placed at $90 c m$ , find the nature of image formed.

Q. While obtaining the image of a candle by a convex lens, if lower half portion of the lens is blackened to make it opaque completely, then the intensity of the image will be :

Q. An object is placed at

90 c m

from the lens with the radius of curvature

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. The central portion of a lens is wrapped in a black paper as shown below. How will the image change after wrapping the black paper?

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