The Speed of Sound in Air Is 340 M/s, and the Density

question 5

Multiple Choice

The speed of sound in air is 340 m/s, and the density of air is 1.2 kg/m³.If the displacement amplitude of a 440-Hz sound wave is 10 µm, what is its pressure-variation amplitude?

• A)1.8 Pa
• B)3.3 Pa
• C)11 Pa
• D)15 Pa
• E)28 Pa

---

Definitions:

Labour Relations Practitioners

Professionals who manage the relationship between employers and employees, including negotiations, contracts, and workplace disputes.

Unacceptable Solutions

Proposed resolutions to problems that are deemed insufficient, inappropriate, or ineffective by stakeholders.

Biased

Refers to an unfair tendency or prejudice towards certain ideas, groups, or individuals which can affect decision-making processes.

Time Commitment Costs

The expenses associated with the amount of time required to complete a task or project, considering how that time could have been spent on other activities.