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476305
Electromagnetic Waves and Uses
Description
EdExcel iGCSE 2013 Physics
Mind Map by
James Lamming
, updated more than 1 year ago
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Created by
James Lamming
over 10 years ago
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Resource summary
Electromagnetic Waves and Uses
Radio waves
10cm - 10km
Used for communications
Can diffract around hills and buildings
Microwaves
1cm
Used for mobile phones
Infrared
10^-5m
0.01mm
Used in optical fibres
Visible Light
10^-7m
Used for photography
Ultraviolet
10^-8m
Used in tanning salons
Causes ionisation
X-Rays
10^-10m
Used to look inside objects
Gamma Rays
10^-15m
Used to treat cancer
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