Question

Match the following lenses with their names.

• A. Bi-convex
• B. Bi-concave
• C. plano-convex

Answer 1

• Plano-convex - A lens in which one side is convex and the other is a plane. Plano-convex lenses are converging lenses.
• Bi-convex - A lens in which both sides are convex is bi-convex. Bi-convex lenses are converging lenses.
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• Bi-concave - A lens in which both sides are concave is bi-concave. Bi-concave lenses are diverging lenses.
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