The least distance of distinct vision for a young adult with normal vision is about

PHYSICS · Single correct · CBSE · Physics · The Human Eye and the Colourful World · The Human Eye and the Colourful World

Problem

3. The least distance of distinct vision for a young adult with normal vision is about (a) 25 m . (b) 2.5 cm . (c) 25 cm . (d) 2.5 m .