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The site is an interactive page to study the photoelectric effect on different materials (sodium, cesium and silver) by changing the wavelength and the intensity of the light.
A short film explaining the Doppler effect in simple, easy to understand terms. Nominated for the SciCast competition.
This is a site from the Thinkquest competition with good explanations on the magnetic effect of a current, the motor effect and magnetic field strength.
Explanation, with diagrams, of the Zeeman Effect which relates to atomic energy levels and spectral lines.
An explanation of the Doppler effect, which occurs whenever the source of waves (eg sound) is moving with respect to an observer.
Java applet (part of a wider site) which illustrates the Doppler effect for sound, giving the example of a passing ambulance siren.
Simple definition of the Meissner effect, as relating to superconducting material. Part of a larger site which includes many definitions and links.
Simple demonstration of the photoelectric effect using different coloured filters to alter the frequency of light reaching a metal plate, and the current changes accordingly.
The Leidenfrost effect explains why water sometimes 'rolls' off a hot plate or frying pan, and how some experts can dip their hands into liquid nitrogen or even molten lead without hurting themselves
Description of the Mossbauer effect and absorption in Ir-191, with application to gravitational red shift.
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