Question

Match the following lenses with their names.

• A. Bi-concave
• B. plano-convex
• C. Bi-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.
• 
• Bi-concave - A lens in which both sides are concave is bi-concave. Bi-concave lenses are diverging lenses.
•