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What is the decibel level of a sound that is perceived as the threshold of heari

Practice Questions

Q1
What is the decibel level of a sound that is perceived as the threshold of hearing? (2022)
  1. 0 dB
  2. 10 dB
  3. 20 dB
  4. 30 dB

Questions & Step-by-Step Solutions

What is the decibel level of a sound that is perceived as the threshold of hearing? (2022)
  • Step 1: Understand what 'decibel' means. Decibels (dB) are a unit used to measure the intensity of sound.
  • Step 2: Learn about the 'threshold of hearing.' This is the quietest sound that the average human ear can hear.
  • Step 3: Know that the threshold of hearing is defined as 0 dB. This means that sounds at this level are barely audible.
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