Question 13
A student with a sight defect has a least distance of distinct vision of 150 cm. For him to read a material placed at a distance of 25 cm, what is the focal length of the glasses he should wear?
Objective
Question details
- Exam body
- NDA
- Subject
- Physics
- Year
- 2019/2020
- Question no.
- #13
- Type
- Objective
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