MCQ
A person cannot see distinctly objects kept beyond $2m$. This defect can be corrected by using a lens of power :
- A$+\ 0.5 D$
- ✓$–\ 0.5 D$
- C$+\ 0.2 D$
- D$–\ 0.2 D$
✓
Answer
Correct option: B.
$–\ 0.5 D$
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