Question 31
Lenses and Optical InstrumentsWhich of the following is used for the correction of short-sightedness?
- A.Concave lens
- B.Concave mirror
- C.Convex mirror
- D.Convex lens
Show the answer and explanation
Answer: A (Concave lens)
Explanation
A short-sighted eye focuses distant light in front of the retina. A diverging (concave) lens spreads the light so it focuses on the retina.