A sound wave traveling in 20 degrees C air has a pressure amplitude of 0.5 Pa. What is the...


A sound wave traveling in {eq}\rm 20 ^\circ C {/eq} air has a pressure amplitude of {eq}\rm 0.5\ Pa {/eq}. What is the intensity of the wave?

The intensity of the Wave:

The intensity of a sound wave moving through a medium is inversely related to the product of the medium's density and the wave's velocity. The watt per meter square scale is used to measure the magnitude of a wave's intensity.

Answer and Explanation: 1

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Given Data:

  • Pressure amplitutde, {eq}\Delta P=0.5\ \rm Pa {/eq}
  • Temperature of air, {eq}T=20^{\circ}\rm C {/eq}

We are asked to determine the...

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Learn more about this topic:

Intensity in Physics: Definition & Measurement


Chapter 5 / Lesson 10

This lesson explains what wave intensity in physics is, and it explains the intensity of light formula with examples. This lesson also describes how to calculate intensity of sound waves.

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