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table of spectrum
{|class="wikitable" align="right"
!colspan="4"|The Electromagnetic Spectrum
|-
!Wave
!typical<br>wavelength<br>'''λ'''
!typical<br>frequency<br>'''f'''
!typical<br>energy<br>'''E'''
|-
!AM radio||align="right"|10<sup><small>2</small></sup>m||align="right"|1 MHz||10<sup><small>-9</small></sup> eV
|-
!FM, TV||align="right"|1 m||align="right"|100 MHz||10<sup><small>-7</small></sup> eV
|-
!Radar||align="right"|.1m||align="right"|1000 MHz|||10<sup><small>-6</small></sup> eV
|-
!Microwaves||align="right"|10<sup><small>-2</small></sup>m||align="right"|10<sup><small>10</small></sup> Hz||10<sup><small>-5</small></sup> eV
|-
!Infrared||align="right"|10<sup><small>-5</small></sup>m||align="right"|10<sup><small>13</small></sup> Hz||10<sup><small>-2</small></sup> eV
|-
!Visible light||align="right"|10<sup><small>-7</small></sup>m||align="right"|10<sup><small>15</small></sup> Hz||1 eV
|-
!Ultraviolet||align="right"|10<sup><small>-8</small></sup>m||align="right"|10<sup><small>16</small></sup> Hz||10 eV
|-
!X-rays||align="right"|10<sup><small>-10</small></sup>m||align="right"|10<sup><small>18</small></sup> Hz||1 keV
|-
!γ-rays||align="right"|10<sup><small>-13</small></sup>m||align="right"|10<sup><small>21</small></sup> Hz||1 MeV
|}
The electromagnetic '''spectrum''' is the entire range of electromagnetic radiation extending in frequency from zero Hertz to 10<sup>23</sup> cycles per second (or Hertz).<ref>http://science.nasa.gov/newhome/help/glossfig1.htm</ref>
The electromagnetic '''spectrum''' is the entire range of electromagnetic radiation extending in frequency from zero Hertz to 10<sup>23</sup> cycles per second (or Hertz).<ref>http://science.nasa.gov/newhome/help/glossfig1.htm</ref>