Physics · Human Eye and Colorful World
A person suffering from a vision defect cannot see objects clearly beyond 2.0 m. The power of the lens required to correct his vision will be:
- 1-0.5 diopters✓
- 2+1.0 diopters
- 3-1.0 diopters
- 4+2.0 diopters
Correct answer
-0.5 diopters
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