what is sound? SI UNIT OF TIME PERIOD
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Sound: Vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear.
SI unit of time period: The number of periods or cycles per second is called frequency. The SI unit for frequency is the hertz (Hz). One hertz is the same as one cycle per second.
SI unit of time period: The number of periods or cycles per second is called frequency. The SI unit for frequency is the hertz (Hz). One hertz is the same as one cycle per second.
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Sound-vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear.
SI unit of time period-The SI derived unit of frequency is the hertz (Hz), named after the German physicist Heinrich Hertz. One hertz means that an event repeats once per second. A previous name for this unit was cycles per second (cps). The SI unit for period is the second.
Sound-vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear.
SI unit of time period-The SI derived unit of frequency is the hertz (Hz), named after the German physicist Heinrich Hertz. One hertz means that an event repeats once per second. A previous name for this unit was cycles per second (cps). The SI unit for period is the second.
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