Concave & Convex LensA convex lens is thicker at the center than at the edges. Rays of light that pass through the lens are brought closer together (they converge). A convex lens is a converging lens. When parallel rays of light pass through a convex lens the refracted rays converge at one point called the principal focus.
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Aconvex lensis thicker at the center than at the edges.Rays of light that pass through thelensare brought closer together (they converge). Aconvex lensis aconverging lens. When parallel rays of light pass through aconvex lensthe refracted rays converge at one point called the principal focus.