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petri dish contains magensiumsulfate solution | petri dish contains magensiumsulfate solution. piezo disc is attached to the petri dish. piezo disc emits square waves produced by an oscilating circuit | ||
piezo disc is attached to the petri dish | |||
piezo disc emits square waves produced by an oscilating circuit | |||
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'''Crystal solution and sound waves trapped in a box''' | '''Crystal solution and sound waves trapped in a box''' | ||
sound isolating box with | sound isolating box with magnesium sulfate solution in petri dish attached to peizo disc. piezo disk works as a loudspeaker in combination with the petri dish. | ||
magnesium sulfate solution | |||
in petri dish | |||
attached to peizo disc | |||
piezo disk works as a loudspeaker in combination with the petri dish | |||
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