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

No image is formed by the remaining portion of lens

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There will be no effect

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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 absent

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Solution

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

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