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The light rays are refracted after passing through the lens. It is of two types, convex lens and concave lens. Convex lens: This lens bulges out at the centre and is thinner at the edges ...
Scientists at the University of Birmingham have designed a lens using metamaterials that can function as a convex or a concave lens, according to research published in the journal Nature ...
In this Closer Look segment on Lenses, we compare and contrast concave and convex lenses by drawing ray diagrams and investigating the thin lens, magnification, and center of curvature equations.
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