Multiple choice

The approximate intensity level of sound (in decibel) which can cause damage to ear drum is _____.

  1. 120 db

  2. 130 db

  3. 140 db

  4. 150 db
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The threshold for hearing damage begins around 120-130 dB. Prolonged exposure above 140 dB causes immediate damage. 120 dB (pain threshold) is the approximate level where risk begins. Option A (120 dB) is the best answer among choices, though 130-140 dB are also hazardous.

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