Sound Intensity Level and the Decibel Scale - General Physics

Explore the concept of sound intensity level in this 15-minute physics lesson. Delve into the logarithmic relationship between sound intensity level and sound intensity, and discover how understanding logarithms simplifies comprehension of the decibel scale. Learn about the threshold of human hearing and how to calculate sound intensity from given sound intensity levels. Examine the relationship between intensity, power, and surface area of sound propagation, understanding how intensity varies with distance from the source. Apply these concepts to solve problems involving changes in sound intensity level with distance. Gain valuable insights into acoustics and sound measurement through clear explanations and practical examples.

Lesson Introduction
The Logarithmic Decibel Scale
Solving for Sound Intensity under the log
Dependence of Sound Intensity on Distance I=P/A