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What is the frequency?​

Sagot :

Frequency is the number of times something happens or repeats in a certain period of time. It's usually measured in Hertz (Hz), which represents cycles per second.

Understanding the Frequency

  • Sound - In sound, frequency is the number of sound waves that pass a given point per second. Higher frequencies produce high-pitched sounds, while lower frequencies produce low-pitched sounds.
  • Light - In light, frequency is the number of waves that pass a given point per second. Different frequencies of light correspond to different colors.
  • Electricity - In electricity, frequency is the number of cycles an alternating current (AC) completes per second. The standard frequency for household electricity is 60 Hz in the US and 50 Hz in many other countries.