Question

3. What do we call the ONLY part of the electromagnetic spectrum that we can

see with our eyes?

Radio Waves

Gamma Rays

X-Rays

Visible Light

Answer 1

Visible Light

wavelength = 4000 - 7000 Angstroms = 400 - 700 milli-microns

1 A unit = 10^-10 m

1 mμ = 10^-9 m