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What are the uses of convex lens?
(i)Convex lenses are used in spectacles to correct the defect of vision called hypermetropia (or long-sightedness).
(ii)Convex lens is used for making a simple camera.
(iii)Convex lens is used as a magnifying glass (or magnifying lens) (by palmists, watchmakers etc)
(iv)Convex lenses are used in making microscopes, telescopes and slide projectors (or film projectors).


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