Multiple choice

Which of the following is measured in Hertz?

  1. speed

  2. frequency

  3. amplitude

  4. wavelength
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Hertz is the SI unit of frequency, defined as one cycle per second. Speed, amplitude, and wavelength are physical properties that are measured in different units like m/s, meters, or decibels.

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