Light as a Wave
•
Wavelengths of light are measured in units
of nanometers (nm) or
a
ngstr
om (Å)
:
1 nm = 10
-9
m
1 Å = 10
-10
m = 0.1 nm
Visible light has wavelengths
between 4000 Å and 7000 Å
(= 400 – 700 nm)
.
0
