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What is intensity of sound in normal conversation?

1. 10–20 decibel
2. 30–60 decibel
3. 70–90 decibel
4. 120–150 decibel

Correct answer: 30–60 decibel

Solution

Normal conversation typically falls in the moderate decibel range, around 30–60 dB. This is louder than a whisper but far below the levels of traffic, machinery, or shouting.

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