how will you distinguish between a convex and a concave lens?
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A convex lens or converging lens focuses the light rays to a specific point whereas a concave lens or diverging lens diverges the light rays. When these lenses are combined, they produce sharper images. ... Most of the eyeglass lenses use combinations of convex and concave lenses.
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Concave lens is used in..... Mirror And convex is used in Side view mirror of Vehicle
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