FANDOM


Class   Freq-
uency
Wave-
length
Energy
Ionizing
radiation
γ Gamma rays   300 EHz 1 pm 1.24 MeV
 
  30 EHz 10 pm 124 keV
HX Hard X-rays  
  3 EHz 100 pm 12.4 keV
SX Soft X-rays  
  300 PHz 1 nm 1.24 keV
 
  30 PHz 10 nm 124 eV
EUV Extreme
ultraviolet
 
  3 PHz 100 nm 12.4 eV
  NUV Near
ultraviolet
 
Visible   300 THz 1 μm 1.24 eV
NIR Near infrared  
    30 THz 10 μm 124 meV
MIR Mid infrared  
  3 THz 100 μm 12.4 meV
FIR Far infrared  
  300 GHz 1 mm 1.24 meV
Micro-
waves


and

radio
waves
EHF Extremely high
frequency
 
  30 GHz 1 cm 124 μeV
SHF Super high
frequency
 
  3 GHz 1 dm 12.4 μeV
UHF Ultra high
frequency
 
  300 MHz 1 m 1.24 μeV
VHF Very high
frequency
 
  30 MHz 10 m 124 neV
HF High
frequency
 
  3 MHz 100 m 12.4 neV
MF Medium
frequency
 
  300 kHz 1 km 1.24 neV
LF Low
frequency
 
  30 kHz 10 km 124 peV
VLF Very low
frequency
 
  3 kHz 100 km 12.4 peV
  ULF Ultra low frequency  
  300 Hz 1 Mm 1.24 peV
SLF Super low
frequency
 
  30 Hz 10 Mm 124 feV
ELF Extremely low
frequency
 
  3 Hz 100 Mm 12.4 feV
 
Sources: File:Light spectrum.svg [1][2][3]
Legend[1][2][3]
γ = Gamma raysMIR = Mid infraredHF = High freq.
HX = Hard X-rays FIR = Far infraredMF = Medium freq.
SX = Soft X-raysRadio wavesLF = Low freq.
EUV = Extreme ultravioletEHF = Extremely high freq.VLF = Very low freq.
NUV = Near ultravioletSHF = Super high freq.VF/ULF = Voice freq.
Visible lightUHF = Ultra high freq.SLF = Super low freq.
NIR = Near InfraredVHF = Very high freq.ELF = Extremely low freq.
Freq = Frequency

The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies.

ReferencesEdit

  1. 1.0 1.1 What is Light? Template:WebarchiveUC Davis lecture slides
  2. 2.0 2.1 Elert, Glenn. "The Electromagnetic Spectrum, The Physics Hypertextbook". Hypertextbook.com. http://hypertextbook.com/physics/electricity/em-spectrum/. Retrieved 2010-10-16. 
  3. 3.0 3.1 "Definition of frequency bands on". Vlf.it. http://www.vlf.it/frequency/bands.html. Retrieved 2010-10-16.