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List two causes of Hypermetropia.(b) Draw ray diagrams showing (i) a hypermetropic eye and (ii) its correction using suitable optical device. |
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Answer» Solution :(i) FOCAL length of eye lens is too large, and (ii) Eye ball is contracted. (b) (i) A hypermetropic eye is shown here. For an object SITUATED at least distance of distinct vision, image is formed behind the retina. (ii) CORRECTION of hypermetropia using a suitable convex lens is shown here.
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