the intensity of sound is measured in
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decibels
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Intensity is the amount of energy a sound wave has per unit of time. Intensity is measured in decibels, represented by dB. Softest sound: 0 dB. Harmful to hearing ≥ 85 dB.
Intensity of sounds
- Whisper- 20 dB
- Rainfall- 50 dB
- Talking normally - 60 dB
- Busy city traffic -80 dB
- Cheer of crowd at sporting event -90 dB
- Headphones at high volume -105 dB
- Rock concert - 120 dB
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