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Electromagnetic Radiation I

rename
Updated 2009-01-28 20:33

Electromagnetic Radiation Frequencies

ClassFrequencies
Gamma Rays30x1018 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 Wavesup to 300 kHz
memorize

 

ClassFrequencies
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
memorize

 

Reference: http://en.wikipedia.org/wiki/Electromagnetic_spectrum

Visible Light (Mnemonic="Roy G Biv")

ClassFrequencies
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
memorize

 

Reference: http://www.tpub.com/content/neets/14182/css/14182_39.htm

Microwaves

ClassFrequencies
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
memorize

 

Reference: http://en.wikipedia.org/wiki/Microwave

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.
ClassFrequencies
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
memorize

 

Reference: http://en.wikipedia.org/wiki/Musical_Acoustics