Wijeratne, Agra T.; Peiris, M.G.C.; Dharmapriya, G.G.
(1998)
The vibrational modes of a "Virindu" Rabana membrane (of diameter 13 inches), which was driven by a loudspeaker, were studied by using a microphone.The vibrational modes were observed at frequencies below 500Hz. The nodal ...