Some Vibrational Modes of a Square Plate

Thin square metal plate, sprinkled with sand, is attached to a speaker at its center. The speaker is vibrated at varying frequencies and the sand collects in the vibration nodes.

DSC01322.JPG DSC01324.JPG DSC01325.JPG
DSC01326.JPG DSC01327.JPG DSC01332.JPG
DSC01333.JPG DSC01334.JPG DSC01335.JPG
DSC01336.JPG DSC01337.JPG DSC01338.JPG


Back to Optics Home Lab Index