Physics

Problem

Assuming human pupil to have a radius of

0.25 \text{ cm}

and a comfortable viewing distance of

25 \text{ cm}

, the minimum separation between two objects that human eye can resolve at

500 \text{ nm}

wavelength is: a.

100 \mu\text{m}

300 \mu\text{m}

1 \mu\text{m}

30 \mu\text{m}