Multiple choice general knowledge science & technology

Short-sightedness can be corrected by using?

  1. Convex lens

  2. Concave lens

  3. Convex-concave lens

  4. Concave-convex lens
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Myopia (nearsightedness) is corrected using concave lenses, which diverge light rays before they enter the eye. This pushes the focal point back onto the retina. Convex lenses are used for hyperopia (farsightedness).

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