Physics · Optics
If a person with near-sightedness (myopia) is unable to see objects clearly at a distance of more than 1.2 m, what should be the focal length of the corrective concave lens required to restore distant vision?
- 1-2.5 m
- 2-2.2 m
- 3-1.5 m
- 4-1.2 m✓
Correct answer
-1.2 m
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