1) Match each Term on the left with the best Descriptor on the right. Each Descriptor may be used only once Term Descriptor Lens A. Point where the converging light rays meet Focal length B. Lens that is thinner in the middle than at the edge Convex lens C. A piece of transparent material that bends light Concave lens D. Lens that is thicker in the middle than at the edge Focal point E. Distance from the centre of the lens to the focal point