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1.
Gamma Rays- 10^-12m
2.
Xrays- 10^-10m
3.
UV- <400nm
4.
Visible light- 700-400nm
5.
Infra-red- 1^-6m
6.
Microwaves- 10cm (Ive been told it was 3cm however..?)
7.
Radiowaves- These can range from 1m to 1200m depending on the type
•
Iron 8000 kg/m^3
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Water 1000kg/m^3
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Wood (oak) 700kg/m^3
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Air 1.3kg/m^3