The loudness ‘L’ of sound (sound level) in dB, with intensity ‘I’ in watts per square metre (W/m^2) is given by the formula L= 10 log (I/ Ibase0), where Ibase0= 10^-12 W/m^2. Determine the intensity of zeba screaming if the noise level is 80 dB.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 44E
Question
The loudness ‘L’ of sound (sound level) in dB, with intensity ‘I’ in watts per square metre (W/m^2) is given by the formula L= 10 log (I/ Ibase0), where Ibase0= 10^-12 W/m^2. Determine the intensity of zeba screaming if the noise level is 80 dB.
13. The loudness L of sound (sound level) in dB with intensity I in watts per square m.
(W/m2) is given by the formula L = 10 log (-), where I, = 10-12.
Determine th
m2'
of Zeba screaming if the noise level is 80 dB.
Transcribed Image Text:13. The loudness L of sound (sound level) in dB with intensity I in watts per square m. (W/m2) is given by the formula L = 10 log (-), where I, = 10-12. Determine th m2' of Zeba screaming if the noise level is 80 dB.
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