Electromagnetic Radiation I

Electromagnetic Radiation Frequencies

Class	Frequencies
Gamma Rays	30x1018 Hz and up
X-Rays	(30-30,000)x1015 Hz
Ultraviolet (UV)	(750-30,000)x1012 Hz
Visible Light	(400-750)x1012 Hz
Infrared (IR)	(300-400,000) GHz
Microwaves	(0.3-300) GHz
Radio Waves	(0.3-300) MHz
FM Radio Waves	(30-300) MHz
AM Radio Waves	(300-3000) kHz
Long Radio Waves	up to 300 kHz
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Class	Frequencies
HX	(3-30)x1018 Hz
SX	(30-3000)x1015 Hz
EUV	(1-30)x1015 Hz
NUV	(750-1000)x1012 Hz
NIR	(100-400)x1012 Hz
MIR	(10-100)x1012 Hz
FIR	(300-10,000) GHz
EHF	(30-300) GHz
SHF	(3-30) GHz
UHF	(300-3000) MHz
VHF	(30-300) MHz
HF	(3-30) MHz
MF	(300-3000) kHz
LF	(30-300) kHz
VLF	(3-30) kHz
VF	(300-3000) Hz
ELF	(30-300) Hz
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Visible Light (Mnemonic="Roy G Biv")

Class	Frequencies
Violet	(682-750)x1012 Hz
Indigo	(638-682)x1012 Hz
Blue	(606-638)x1012 Hz
Green	(526-606)x1012 Hz
Yellow	(508-526)x1012 Hz
Orange	(484-508)x1012 Hz
Red	(400-484)x1012 Hz
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Microwaves

Class	Frequencies
D Band	(110-170) GHz
F Band	(90-140) GHz
W Band	(75-110) GHz
E Band	(60-90) GHz
V Band	(50-75) GHz
U Band	(40-60) GHz
Q Band	(30-50) GHz
Ka Band	(26.5-40) GHz
K Band	(18-26.5) GHz
Ku Band	(12-18) GHz
X Band	(8-12) GHz
C Band	(4-8) GHz
S Band	(2-4) GHz
L Band	(1-2) GHz
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Audible Frequencies

Whistlers, Thunderstorm Activity, and Schumann Resonances all have electromagnetic components, the frequencies of which are in the range for human-audible sound waves.

Class	Frequencies
Whistlers	(1-100) kHz
Thunderstorm Activity	(2-30) kHz
Audible to Humans	(20-20,000) Hz
Middle C (C4)	261.626 Hz
Violin	(200-4186) Hz
Viola	(130-1300) Hz
Cello	(65-700) Hz
String Bass	(35-230) Hz
Schumann Resonances	(8, 14, 20, 26) Hz
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