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The Electromagnetic Spectrum

The site explains the basic of the electromagnetic spectrum and the various wavelengths of which it is composed (Radio Waves, Microwaves , Infra Red, the Visible Spectrum, Ultra Violet, Gamma Rays, ...

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http://www.purchon.com/physics/electromagnetic.htm

Spectrum Physlet

Applet displays the different sequences of lines that make up the hydrogen spectrum.

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http://webphysics.davidson.edu/applets/spectrum/default.html

Hydrogen Recombination Spectrum

Information regarding the movement of electrons between energy levels and the expected emission line spectrum.

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http://zebu.uoregon.edu/nsf/abs.html

Electromagnetic Spectrum

A range of resources on the electromagnetic spectrum and the different types of electromagnectic wave, from radio waves to gamma rays.

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http://www.darvill.clara.net/emag/index.htm

The Electromagnetic Spectrum

Picture of EM spectrum, with wavelength and frequency scale. Chart shows pictorial representation of size of wavelength and EM wave sources.

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http://www.lbl.gov/MicroWorlds/ALSTool/EMSpec/EMSpec2.html

Electromagnetic Spectrum

A simple to follow page showing a breakdown of the electromagnetic spectrum into its wavelengths.

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http://hyperphysics.phy-astr.gsu.edu/hbase/ems1.html#c1

Electromagnetic Spectrum

Short information page on the electromagnetic spectrum, including a useful diagram.

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http://www.lbl.gov/MicroWorlds/ALSTool/EMSpec/EMSpec2.html

How the Radio Spectrum Works

A very brief description of how the Radio Spectrum works from HowStuffWorks.com.

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http://www.howstuffworks.com/radio-spectrum.htm

Specular and diffuse reflection

An interactive ray diagram on which you can alter the colour of the object and the texture of the surface from which a spectrum of light is reflected.

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http://micro.magnet.fsu.edu/primer/java/scienceopticsu/reflection/specular/index.html

Absorption Spectra

Fraunhofer's observation of spectral lines was a complete accident. Find out more about the absorption spectrum here.

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http://www.colorado.edu/physics/2000/quantumzone/fraunhofer.html

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