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The music scale "do, re, mi, fa, so, la, ti, do" starts with a low sound and becomes higher with each note. What property of sound is changing when this happens?
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The music scale "do, re, mi, fa, so, la, ti, do" starts with a low sound and becomes higher with each note. What property of sound is changing when this happens?

User Vinney Kelly
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Frequency

Step-by-step explanation:

  • The frequency of any kind of wave is the inverse of the time interval between successive “crests” (maxima) of the wave (or between successive “troughs” [minima]).
  • Frequency is a measure of the tone or pitch of sound. It’s measured in Hertz (or “Cycles” in the old days).
  • Humans can hear from about 20 Hz to 20,000 hz (aka 20 KHz) unless you’re old like me and can hear from about 30 Hz to 15 KHz on a good day.
  • Hence, the correct answer is "frequency of sound is changing when this happen"

User Tiago Alves
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