Multiple choice general knowledge math & puzzles What type of lens is a magnifying glass? Plano-Concave Plane Glass Convex Concave Reveal answer Fill a bubble to check yourself C Correct answer Explanation A magnifying glass uses a convex (converging) lens to create a magnified virtual image of an object. Concave lenses diverge light and are used to correct nearsightedness, but they cannot create the magnified image required for a magnifying glass.