Question

Sound Intensity Level​

Answer 1

Explanation:

Intensity of Sound:

Sound energy flowing per second through a unit area held perpendicular to the direction of a sound wave is called the Intesity

of Sound. UNITS: Its unit is Watt per square meter W/m2. •It is a physical quantity and can be measured accurately.

hope it helps you..

Answer 2

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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