Assuming human pupil to have a radius of and a comfortable viewing distance of

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Waves Sound and Physical Optics · Waves Sound and Physical Optics

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: (1)

100 \mu\text{m}

(2)

300 \mu\text{m}

(3)

1 \mu\text{m}

(4)

30 \mu\text{m}