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## Website Detail Page

published by the University of Salford
This multimedia tutorial provides explanations and models of wave superposition.  It contains multiple images, animations, and interactive simulations designed to represent what happens when two waves move through the same region of space at the same time.  Included are models of single and double-source interference, simulated oscilloscopes showing sine waves combining, and explanations of path and phase difference. Also included is a detailed explanation of the origin of pi and radians, plus a simple experiment that explores two sound sources interfering..  A self-test is provided at the end of the tutorial.

This item is part of a larger collection of multimedia tutorials on waves and acoustics, developed by the University of Salford, UK.  The tutorials are accompanied by more than 60 high-speed videos and animations that represent fundamental properties of waves.

Please note that this resource requires Shockwave, or at least version 6.0 of Flash.
Subjects Levels Resource Types
Education Practices
- Technology
= Multimedia
Oscillations & Waves
- Acoustics
- Wave Motion
= Interference and Diffraction
= Interference and Diffraction of Sound
= Phase and Group Velocity
- High School
- Lower Undergraduate
- Instructional Material
= Interactive Simulation
= Problem/Problem Set
= Tutorial
- Assessment Material
- Audio/Visual
= Movie/Animation
Appropriate Courses Categories Ratings
- Physical Science
- Physics First
- Conceptual Physics
- Algebra-based Physics
- AP Physics
- Activity
- Assessment
- New teachers
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Intended Users:
Educator
Learner
Formats:
text/html
application/flash
application/shockwave
image/gif
Access Rights:
Free access
Restriction:
© 2005 University of Salford, Greater Manchester, England, UK
Keywords:
acoustics, superposition, video, wave interference, wave simulations, wave superposition, waves, waves animations, waves tutorial, waves videos
Record Cloner:
Metadata instance created March 23, 2009 by Caroline Hall
Record Updated:
July 9, 2013 by Bruce Mason
Last Update
when Cataloged:
October 12, 2007

### AAAS Benchmark Alignments (2008 Version)

#### 4. The Physical Setting

4F. Motion
• 9-12: 4F/H6ab. Waves can superpose on one another, bend around corners, reflect off surfaces, be absorbed by materials they enter, and change direction when entering a new material. All these effects vary with wavelength.

#### 11. Common Themes

11B. Models
• 6-8: 11B/M4. Simulations are often useful in modeling events and processes.
• 9-12: 11B/H1a. A mathematical model uses rules and relationships to describe and predict objects and events in the real world.

### Common Core State Standards for Mathematics Alignments

#### High School — Algebra (9-12)

Creating Equations? (9-12)
• A-CED.1 Create equations and inequalities in one variable and use them to solve problems. Include equations arising from linear and quadratic functions, and simple rational and exponential functions.
• A-CED.4 Rearrange formulas to highlight a quantity of interest, using the same reasoning as in solving equations.
Reasoning with Equations and Inequalities (9-12)
• A-REI.3 Solve linear equations and inequalities in one variable, including equations with coefficients represented by letters.

#### High School — Functions (9-12)

Interpreting Functions (9-12)
• F-IF.4 For a function that models a relationship between two quantities, interpret key features of graphs and tables in terms of the quantities, and sketch graphs showing key features given a verbal description of the relationship.?
Trigonometric Functions (9-12)
• F-TF.1 Understand radian measure of an angle as the length of the arc on the unit circle subtended by the angle.
• F-TF.2 Explain how the unit circle in the coordinate plane enables the extension of trigonometric functions to all real numbers, interpreted as radian measures of angles traversed counterclockwise around the unit circle.
• F-TF.4 (+) Use the unit circle to explain symmetry (odd and even) and periodicity of trigonometric functions.
• F-TF.5 Choose trigonometric functions to model periodic phenomena with specified amplitude, frequency, and midline.?

### Common Core State Reading Standards for Literacy in Science and Technical Subjects 6—12

Craft and Structure (6-12)
• RST.11-12.4 Determine the meaning of symbols, key terms, and other domain-specific words and phrases as they are used in a specific scientific or technical context relevant to grades 11—12 texts and topics.
Range of Reading and Level of Text Complexity (6-12)
• RST.11-12.10 By the end of grade 12, read and comprehend science/technical texts in the grades 11—CCR text complexity band independently and proficiently.

This resource is part of a Physics Front Topical Unit.

Topic: Wave Energy
Unit Title: How Waves Move and Interact: Reflection, Refraction, Interference

A characteristic shared by all waves is that two or more of them moving simultaneously through the same space will superimpose and produce a combined effect.  This tutorial, integrated with multiple interactive simulations, promotes understanding of wave superposition in a highly engaging format.  Self-test is included.

Link to Unit:
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Record Link
AIP Format
(University of Salford, Greater Manchester, 2005), WWW Document, (http://www.acoustics.salford.ac.uk/feschools/waves/super.php).
AJP/PRST-PER
University of Salford Tutorials: Superposition of Waves, (University of Salford, Greater Manchester, 2005), <http://www.acoustics.salford.ac.uk/feschools/waves/super.php>.
APA Format
University of Salford Tutorials: Superposition of Waves. (2007, October 12). Retrieved August 17, 2017, from University of Salford: http://www.acoustics.salford.ac.uk/feschools/waves/super.php
Chicago Format
University of Salford. University of Salford Tutorials: Superposition of Waves. Greater Manchester: University of Salford, October 12, 2007. http://www.acoustics.salford.ac.uk/feschools/waves/super.php (accessed 17 August 2017).
MLA Format
University of Salford Tutorials: Superposition of Waves. Greater Manchester: University of Salford, 2005. 12 Oct. 2007. 17 Aug. 2017 <http://www.acoustics.salford.ac.uk/feschools/waves/super.php>.
BibTeX Export Format
@misc{ Title = {University of Salford Tutorials: Superposition of Waves}, Publisher = {University of Salford}, Volume = {2017}, Number = {17 August 2017}, Month = {October 12, 2007}, Year = {2005} }
Refer Export Format

%T University of Salford Tutorials: Superposition of Waves
%D October 12, 2007
%I University of Salford
%C Greater Manchester
%U http://www.acoustics.salford.ac.uk/feschools/waves/super.php
%O text/html

EndNote Export Format

%0 Electronic Source
%D October 12, 2007
%T University of Salford Tutorials: Superposition of Waves
%I University of Salford
%V 2017
%N 17 August 2017
%8 October 12, 2007
%9 text/html
%U http://www.acoustics.salford.ac.uk/feschools/waves/super.php

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The AIP Style presented is based on information from the AIP Style Manual.

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