The intensity of sound from a single point source is measured at two locations which are distances 1₁ and r2 away from the point source. a. Prove that when measuring these intensities in decibels, the difference between these intensities is 11 B-R=20 log b. What is the difference in decibels if r₂ = 2r₁? (Is the difference positive or negative?)
The intensity of sound from a single point source is measured at two locations which are distances 1₁ and r2 away from the point source. a. Prove that when measuring these intensities in decibels, the difference between these intensities is 11 B-R=20 log b. What is the difference in decibels if r₂ = 2r₁? (Is the difference positive or negative?)
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter17: Physics Of Hearing
Section: Chapter Questions
Problem 68PE: (a) Find the intensity in watts per meter squared of a 60.0Hz sound having a loudness of 60 phons....
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