ElectroMagnetic spectrum [AS/GCSE] Physics

Sheets compiling various types of light wave in the electromagnetic spectrum, including wavelength and frequency of each wave, some of their uses and a helpful acronym to remember the order of the waves... **

 

 

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  • Created by: MatthewJG
  • Created on: 09-02-11 18:49

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The Electromagnetic Spectrum.

Speed of everything in electromagnetic
spectrum 300,000,000ms-1
Black objects Absorb light waves.

Radio Waves:-
1mm Used for radio, TV, mobile phones
LW
MW
FM
Frequency 104 ­ 108 Hz

Microwaves:-
Wavelength..... 10-2m
Shorter wavelength, easily absorbed by water
This is why they are used for…

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X-Rays:-
Wavelength.... 10-10m
So much energy and short wavelength that they can go through flesh
Have trouble getting through bones and lead due to more calcium metal in
bones. Used for xray.
Frequency 1017 ­ 1019Hz

Gamma Ray:-
Wavelength.... 10-12m
Nasty!, very high energy, will even go through metals, can…

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