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University of Tennessee Knoxville: Diffraction and Interference
Explains what diffraction and interference are, and what kinds of patterns are produced when light waves pass through a single slit, a double slit, or a diffraction grating. Includes three problems for students to try, with solutions...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Wave Interference
Conduct virtual experiments with water, sound, and light waves to determine the sine wave and patterns created in each.