Physics animations by Yves Pelletier

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Optics and Waves

Moving waves (transverse and longitudinal)	Principle of superposition	Interference from thin films
Standing Wave in a String	Standing wave in an open-ended pipe	Standing wave in a closed-ended pipe
Beats	Doppler Effect (sound)	Path Difference and interference
Diffraction and interference	Refraction of light	All these animations may be purchased separately, or together in the "Optics & Waves" bundle.