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Chapter 16 4 Superposition 4 and 4 Standing Waves
Section 16-1: Superposition of Waves When two or more waves combine, the resultant wave at any point, is the algebraic sum of the individual waves.
Superposition and the Wave Equation y 3 = c 1 y 1 + c 2 y 2 superposition
Interference of Harmonic Waves
Phase difference due to a path difference Waves are in phase if the phase difference, δ= n(2π) This results in constructive interference
The waves are exactly out of phase when δ= (n+½)2π This results in destructive interference
Example 16-2 p 485
Intensity versus path difference for two sources that are in phase.
Two sources that are in phase, or have a constant phase difference are said to be coherent. The Double Slit Experiment: doubleslit
Section 16-2: Standing Waves String fixed at both ends The standing wave condition is when L = n(½λ) and f n = nν/2L =nf 1
A classic Steinway piano
String fixed at one end.
Wave functions for standing waves String fixed at both ends wavesuperposition
String fixed at one end
Standing sound waves on the surface of the sun
Some of the many modes of oscillation of a ringing handbell
Chapter 9 Light as a Wave Interference Light waves interfere with each other much like mechanical waves do Light waves interfere with each other.
Topic 11 – Wave Phenomena. Standing/stationary waves.
BEATS AND RESONANCE Sections 9.3 and 9.4. Key Terms Beat Beat Frequency Resonant Frequency Resonance.
Waves A disturbance in a medium that transfers energy and momentum.
Lesson 8 G3 Two Source Interference of Waves G4 The Diffraction Grating.
Sound. Characteristics of sound waves The motion of the elements of the medium in a longitudinal sound wave is back and forth along the direction which.
INTERFERENCE OF WAVES Section 9.1. Key Terms Interference Principle of Superposition Constructive Interference Destructive Interference.
Answer the following… 17. What happens to the amplitude of a pulse as it travels down the slinky and back? 18. What happens to the speed of a pulse as.
Musical. Review String – = 2L –Frequency of overtones 1 st : 2 × fundamental frequency 2 nd : 3 × fundamental frequency 3 rd : 4 × fundamental frequency.
In Example 18.1, we discovered that a listener at point P would hear a minimum in the sound when the oscillator driving both speakers was at a frequency.
Waves and Sound An Introduction to Waves and Wave Properties.
Chapter 29 A Light Waves Single slit diffraction and double slit interferance.
Waves 1 Chapter 25. Vocabulary Wave Vibratory disturbance that propagates (moves) through a medium Pulse Single disturbance Medium Material through which.
WAVES AT MEDIA BOUNDARIES Section 9.2. Key Terms Media Boundary Free-end Reflection Fixed-end Reflection Transmission Standing Wave Node
1 INTERFERENCE 2 Topics Two source interference Double-slit interference Coherence Intensity in double slit interference Interference from thin film.
G6 Thin-film InterferenceG6 Thin-film Interference.
Diffraction AP Physics B. Superposition..AKA….Interference One of the characteristics of a WAVE is the ability to undergo INTERFERENCE. There are TWO.
4 Waves (2.4.3 Interference - Part A) G482 Electricity, Waves & Photons 4 Waves (2.4.3 Interference - Part A) G482 Electricity, Waves & Photons Wave.
Thin Film Interference. What is a thin film? A thin film is a thin layer of material that has a different index of refraction than its surroundings. Thin.
ConcepTest 24.1Superposition 1) 2) 3) 4) If waves A and B are superposed (that is, their amplitudes are added) the resultant wave is.
Another example of interference that is often observed is interference from a thin film. Light incident on the surface of a thin film is reflected from.
W. Sautter These are also called Compressional Waves.
Wave Properties Refraction, diffraction and superposition.
Polarization of EM waves The polarization of a uniform plane wave refers to the time-varying behaviour of the electric field vector at fixed point in space.
Chapter 21. Two pulses on a string approach each other at speeds of 1 m/s. What is the shape of the string at t = 6 s? (1) (2) (3) (4)
8.2 Systems of Linear Equations: Two Equations Containing Two Variables
Thin Film Interference AP Physics B Montwood High School R. Casao.
Which of the following waves requires a material medium through which to travel? (a) Sound (b) Television (c) Radio (d) X ray Q1.
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