Sound Intensity Video Lessons

Concept

# Problem: The human ear can detect a minimum intensity of I0 = 10-12 W/m2, which has a sound intensity of 0 dB.Randomized Variablesβ = 25 dBIf the student hears a sound at 25 dB, what is the intensity of the sound?

###### FREE Expert Solution

Intensity:

$\overline{){\mathbf{I}}{\mathbf{\left(}}{\mathbf{dB}}{\mathbf{\right)}}{\mathbf{=}}{\mathbf{10}}{\mathbf{·}}{\mathbf{l}}{\mathbf{o}}{\mathbf{g}}{\mathbf{\left(}}\frac{\mathbf{I}}{{\mathbf{I}}_{\mathbf{0}}}{\mathbf{\right)}}}$

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###### Problem Details

The human ear can detect a minimum intensity of I0 = 10-12 W/m2, which has a sound intensity of 0 dB.

Randomized Variables
β = 25 dB

If the student hears a sound at 25 dB, what is the intensity of the sound?