Lesson: Sound Waves

In this lesson, we will learn how to describe sound wave propagation, define audible frequencies, and explain the applications of reflections of sound waves.

Sample Question Videos

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Worksheet: 9 Questions • 1 Video

Q1:

A string on a guitar is pulled upward and released. The string vibrates, returning to the position from which it was released 196 times per second. What is the frequency of the sound wave produced by the string?

Q2:

A sound wave in an object alternately compresses and expands it in the direction that the wave travels. The sound has a wavelength of 0.48 m. What is the distance between the point of maximum compression and the point of maximum expansion in the object?

Q3:

Which of the following sound waves is within the human hearing range?

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