A person has a minimum distance of distinct vision as 50cm. The power of lenses required to read a book at a distance of 25cm is

Question

A person has a minimum distance of distinct vision as 50cm. The power of lenses required to read a book at a distance of 25cm is

A person has a minimum distance of distinct vision as 50cm. The power of lenses required to read a book at a distance of 25cm is
A. 3 D
B. 1 D
C. 2 D
D. 4 D

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
Using, `P=(1)/(f)`
We get, `P=2 D`

4 views Answered 2023-02-05 15:29