1.

List two causes of Hypermetropia.(b) Draw ray diagrams showing (i) a hypermetropic eye and (ii) its correction using suitable optical device.

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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