The wavelength of radiation will determine if it is in the visible spectrum, and, if so, what color it will be seen as by the human eye.
1 Angstrom unit = 10 nanometers
|
Wavelength in Angstrom Units
|
Type of Radiation
|
|
0.0005
|
cosmic rays
|
|
0.005 – 1.40
|
gamma rays
|
|
0.1 – 100
|
X-rays
|
|
1 - 3999
|
ultraviolet
|
|
4000 – 4240
|
visible, violet
|
|
4240 – 4912
|
visible, blue
|
|
4912 – 5750
|
visible, green
|
|
5750 – 5850
|
visible, yellow
|
|
5850 – 6470
|
visible, orange
|
|
6470 – 7000
|
visible, red
|
|
7001 – 5,000,000
|
infrared
|
|
above
|
radiowaves
|
