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A far-sighted man who has lost his spectacles, reads a book by looking through a small hole (3-4 mm) in a sheet of paper. The reason will be

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Because in doing so, the focal length of the eye lens is effectively decreased

None of these

Because in doing so, the focal length of the eye lens is effectively increased

Because the hole produces an image of the letters at a longer distance

answer is C.

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Detailed Solution

Man is suffering from hypermetropia. The hole works like a convex lens.

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