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

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Definitions:

Wage Inequality

Refers to the disparities in income earned by different individuals or groups in an economy, often due to factors such as occupation, education, and experience, as well as discrimination based on gender, race, or age.

Dual Labor Market

A theory suggesting that the labor market is divided into two segments: the primary sector with good jobs and high wages, and the secondary sector with lower pay and less job security.

Gender Expectations

are the societal norms and beliefs about the behaviors, roles, and attributes that are considered appropriate for men and women.

Fundamentalist Practices

Strict adherence to specific doctrines, beliefs, or rituals, often within a religious context, typically opposing modernist interpretations or changes.