The volume level can be amplified with a CD or tape player or amplified PC speakers. This can be used for resonance experiments including Chladni plates. http://www.youtube.com/watch?v=NWRq0KiAzuU or http://sites.google.com/site/solymar1fisica/fisica-con-xo-investigacion-/Chladni.3gp also experiments involving beat frequencies and interference patterns.
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The volume level can be amplified with a CD or tape player or amplified PC speakers. This can be used for resonance experiments including Chladni plates. [http://www.youtube.com/watch?v=NWRq0KiAzuU] or [http://sites.google.com/site/solymar1fisica/fisica-con-xo-investigacion-/Chladni.3gp] also experiments involving beat frequencies and interference patterns.