Multiple choice

What is the unit for measuring the pitch of frequency of sound?

  1. Coulomb

  2. Hertz

  3. Decibel

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

Hertz (Hz) is the SI unit for frequency, measuring cycles per second. While pitch is a perceptual quality of sound, the physical frequency that determines pitch is measured in Hz. Decibel measures intensity level, coulomb measures electric charge, and 'cycles' is not a standard unit.

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