The term ‘Hz’ stands for the unit of frequency, which is also known as Hertz. It is commonly used to measure the rate at which something happens over a period of time.
For example, it can be used to measure how often an event occurs in one second or how many times a signal passes through a point in space per second. In other words, Hz measures cycles per second and is typically expressed as either kHz (kilohertz) or MHz (megahertz).
In terms of sound waves, Hz measures the number of sound vibrations that occur each second and determines their pitch—the higher the number of Hertz, the higher-pitched the sound will be. This concept applies not only to audible sounds but also electromagnetic radiation such as radio waves and visible light; however these are measured in kiloHertz (kHz) or MegaHertz (MHz).
In conclusion then we can say that EHz is simply another way for expressing frequency – it stands for ExaHertz – where 1 EHz = 10^18 hertz or 1,000,000,000,000,000,000 Hertz (1 Quintillion Hertz)!
Therefore this measurement unit allows us to accurately express frequencies on an incredibly high scale compared with what was previously possible using traditional measurements like kiloHertz, MegaHertz, Gigahertz, Terahertz, Petahertz, etc…
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