WBCS.LIVE practice question

Which unit is used to measure the frequency of sound waves?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Decibel
  2. Hertz
  3. Joule
  4. Watt

Correct answer and explanation

Correct answer: Hertz

Explanation: āœ… Correct Answer: B) Hertz šŸ“š Explanation: Frequency refers to the number of wave cycles that pass a fixed point in one second, and its SI unit is the Hertz (Hz). Humans can typically hear sounds in the frequency range of 20 Hz to 20,000 Hz. Sounds below this range are called infrasonic, while those above are known as ultrasonic waves.