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.

Video

14:00

Sample Question Videos

02:20
02:32
02:49

Worksheet: 11 Questions • 3 Videos

Q1:

Which of the following sound waves is an example of ultrasound?

Q2:

Which of the following sound waves is an example of infrasound?

Q3:

A string on a violin is pushed by a bow and the string vibrates at a frequency of 440 Hz. The sound waves produced by the vibrating string have a wavelength of 0.75 m. What is the speed of the sound waves?

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