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Snell's Law

Applet showing refraction of light from medium 1 to medium 2. refractive indices and incident angle can be altered, and total internal reflection demonstrated.

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Prism refraction

This colourful ray diagram shows the dispersion of white light by an equilateral triangle prism according to Snell's law. The angle of incidence and width of beam are variable.

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Refraction and total internal reflection

Applet in two parts - the first a fish's view from under water. In the second the position of the cursor is the source of a light ray. Its path from within the water to an observer appears.

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Refraction of light

An animated wave diagram showing how an incident wave is refracted for a variety of angles of incidence, and a variety of materials.

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Hits: 851

Mini magnifier - Marvin and Milo

A Marvin and Milo activity about light, refraction and lenses. All you need is sticky tape, water, teaspoon and some clear plastic.

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Hits: 198

Java Applet - reflection and refraction

A java applet that lets you investigate reflection and refraction. One of a series of simple applets that are good for display use in the classroom.

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Hits: 2964

Colored Shadows

An experiment in mixing different coloured lights.

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Hits: 3725

How epic solar winds make brilliant polar lights

A summarised view of how the aurora is formed.

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Hits: 381

The World of Colour

This site contains a number of shockwave animations showing that you can make pictures using coloured lights and filters.

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Hits: 2976

The CSE Light Tour

The light tour will let you discover information about light in the universe and how astronomers make use of light wavelengths.

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Showing 21 - 30 of 283