LECTURE DEMONSTRATION MANUAL | Instructional Research Lab : ucla physics | |
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W.2.12 Group and Phase Velocity can be illustrated with Moiré patterns on the overhead projector, or by adding sine waves of two different frequencies on the oscilloscope (M.P. Hagelberg, Am.J.Phys. 46(5),579 (1978)), or by showing a good film strip on the subject (#600).
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