Reading glasses are made from which type of lenses?
- AConcave
- BConvex
- CPlain
- DNone of these
Show answer and explanation
Correct answer: (b) Convex
Explanation
Reading glasses use convex (converging) lenses. They help people who cannot see near objects clearly: those with presbyopia (the weakening of near vision with age) or hypermetropia (farsightedness).