Curated OER
Harmonic Frequencies
In this waves activity, students make the nodes, antinodes, waveform, and wavelength for harmonics shown. Students complete 11 fill in the blank questions and 10 problems to solve.
Georgia State University
Georgia State University: Hyper Physics: Interference of Sound
Information about the interference of sound and its causes. Well-illustrated and good explanations of the concepts; part of a large hyper-textbook on various physics concepts.
Physics Classroom
The Physics Classroom: Waves: Harmonics and Patterns
This illustrated physics tutorial helps students understand harmonics and wave patterns.
Khan Academy
Khan Academy: Introduction to Sound Review
Review the key terms and skills for sound waves, including how to identify the nodes and antinodes for standing waves in tubes.
Other
French Horn Stopping Why the Pitch Shift?
The opening four points of this article point out the 4 special challenges of playing the modern French horn. When the player uses the "stopping mute", he/she must transpose the music down one semitone in order to play in the correct...