PPT-Longitudinal Standing Waves and Harmonic Series in Open and

Physics of Music Spring 2016 Key terms Bernoullis Equation Pressure vs velocity Compression vs rarefaction Open vs Closed Tubes Node vs antinode Even and Odd harmonics Kundts. Section 9.2. Key Terms. Media Boundary. Free-end Reflection. Fixed-end Reflection. Transmission. Standing Wave. Node. Antinode. Fundamental Frequency/First Harmonic. Harmonics. Overtone. Media Boundaries. Physics 2415 Lecture 28. Michael Fowler, . UVa. Today’s Topics. Waves in two and three dimensions. Interference. Doppler effect. Harmonic String Vibrations. Strings in musical instruments have fixed ends, so pure harmonic (single frequency) vibrations are sine waves with a . Introduction to Physics II. . Class 3 – . Outline:. Ch. 21, sections . 21.1-21.4. The . Principle of Superposition . Standing . Waves . Nodes . and Antinodes . Musical . Instruments. Class 3 – . Honors Physics. What is a wave. A . WAVE. is a vibration or disturbance in space.. A . MEDIUM. . is the substance that all SOUND WAVES travel through and need to have in order to move. . Two types of Waves. Q3oItpVa9fs. Cymatics. https://youtu.be/. WMnRxFDVw0g. Julius Sumner Miller and Sound. Waves Review. Frequency describes the number of cycles in one second.. Period describes the number of seconds for one cycle.. Physics 2415 Lecture 27. Michael Fowler, . UVa. Today’s Topics. Standing waves as sums of traveling waves. Boundary conditions. Longitudinal waves: sound. Amplitude and pressure variations. Strings and pipes. Waves on a String, in an open-ended pipe, and in a closed-ended pipe. Warm-up. : (assume the string is fixed at both ends). 1. st. . Harmonic/Fundamental . Frequency:. 2. nd. . Harmonic (1. st. Overtone):. Reflection, Interference, Standing Waves on String. Transverse wave propagation. Wave reflection at a fixed end. :. the restoring force in the boundary material causes an upward pulse to become a downward pulse upon reflection. CHAPTER 17. Interference. Constructive and Destructive Interference: BEATS. Standing Waves:. Transverse-Stringed Instruments. and . Longitudinal-Wind Instruments.. Diffraction. . Speakers. . 17.6 . Standing waves. Quantum energy . of colors . Bohr Model . (particle picture). Assumptions. Nuclear model. Discrete electron orbits n = 1,2,3,... Light absorbed/emitted as quantum. . of energy when electron jumps orbit. . Class 3 – . Outline:. Ch. 21, sections . 21.1-21.4. The . Principle of Superposition . Standing . Waves . Nodes . and Antinodes . Musical . Instruments. Class 3 – . Outline:. QuickCheck. . 1.1. for . two identical waves traveling in opposite directions.. .  Snapshots . of the blue and the green waves and their red sum shows a wave that appears to not be traveling..  Because . the resultant red wave is not traveling it is called a . Michael Fowler, . UVa. Today’s Topics. The wave equation. Energy and power of waves. Superposition. Standing waves as sums of traveling waves. Fourier series. Harmonic Waves. A simple harmonic wave has sinusoidal form:. Periodic Motion. Motion that repeats in a regular cycle is called . periodic motion. . . The revolution of a planet about its sun is an example of periodic motion. The highly reproducible period (T) of a planet is also called its year..