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

Question

Quizplus · Accepted Answer

The Answer of 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

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