The sound propagates with pulsations molecules. The number of pulses in one second (which undergo a

The sound propagates with pulsations molecules. The number of pulses in one second (which undergo air molecules) is called the sound frequency. Say for example: frequency 5000 pulses per second (or more correctly, hotel california 5.000 Hertz). The more Hertz (pulses), the more acute is the sound.
Want to hear sounds with different oscillations per second, or else with different Hertz; Want to vibrations in air around the speakers of your computer 100 times a second? Does the vibration to 1,000 times? Or maybe 10,000 times; All you have to click the next number ...
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