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Sand on a rectangular metal plate shows the resonance patterns at specific frequencies of oscillation. For more information on this and many other (more)

Sand on a rectangular metal plate shows the resonance patterns at specific frequencies of oscillation.

For more information on this and many other physics and astronomy demos, please visit us at: http://www.ap.smu.ca/demonstrations/index.php?option=com_content&view=article&id=157&Itemid=87

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