Explain how the musician now finishes tuning his piano
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When tuning a piano, a musician plays a note that should be at 110 Hz while at the same time tapping a 110 Hz tuning fork and holding it next to the strings. He hears beats at 4 Hz. a) State and explain what frequencies the piano could be producing. 108 UNIT 2: Oscillations and waves Incomplete advance copy Grade 12 b) Draw a sketch graph to show the resultant sound as a variation in displacement against time. Label the time axis with values. c) Explain how the musician now finishes tuning his piano
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