# Consider a sound wave in air that has displacement amplitude of 0.1 mm. Calculate the pressure...

## Question:

Consider a sound wave in air that has displacement amplitude of 0.1 mm. Calculate the pressure amplitude for frequencies of:

1) 500 Hz

2) 20,000 Hz

## The relation between Pressure and Displacement amplitude:

The displacement amplitude of the wave is directly proportional to the displacement amplitude and it is inversely proportional to the bulk modulus of the air.

## Answer and Explanation: 1

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View this answer**Given data:**

- Displacement Amplitude {eq}(A) = 0.1 \rm \ mm {/eq}

**(1)**

The displacement amplitude is given as

$$\begin{align} A &= \dfrac{v \Delta...

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Chapter 21 / Lesson 5Sound waves, much like physical waves, interact causing disruptions to the sound in different ways. Identify examples of sound wave interference, constructive interference, destructive interference, and the 'beating' observed in interacting sound waves.

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