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This tutorial provides explanations and models of wave diffraction. It contains multiple images and animations explaining what happens when a wave encounters an obstacle. The tutorial begins by explaining how the amount of diffraction depends on the wavelength and the size of the object being encountered. It progresses to discussions of various diffraction effects, Huygen's Principle, and concludes with diffraction through two slits (a simulation of Young's classic experiment).
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 videos and animations that represent fundamental properties of waves. Editor's Note: This resource is appropriate for algebra-based or AP high school physics, and would also serve well as a refresher tutorial for K-8 teachers. It was developed specifically to help learners visualize how waves of varying wavelength will diffract in predictable ways, and how this behavior is related to practical applications, like radio/TV broadcasting and acoustics.
AAAS Benchmark Alignments (2008 Version)4. The Physical Setting
4F. Motion
11. Common Themes
11B. Models
11D. Scale
This resource is part of a Physics Front Topical Unit.
Topic: Wave Energy
Unit Title: How Waves Move and Interact: Reflection, Refraction, Interference When waves meet an obstacle or pass through small openings, they may appear to bend or spread out. This phenomena is called diffraction. We see examples of wave diffraction every day, but what is the physics behind it? This exemplary tutorial offers a multimedia tour of diffraction around objects, diffraction through slits, and various effects of diffraction. Link to Unit:
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![]() <a href="https://www.compadre.org/precollege/items/detail.cfm?ID=8745">University of Salford. University of Salford Tutorials: Diffraction. Greater Manchester: University of Salford, January 1, 2018.</a>
![]() (University of Salford, Greater Manchester, 2005), WWW Document, (http://salfordacoustics.co.uk/sound-waves/diffraction).
![]() University of Salford Tutorials: Diffraction (University of Salford, Greater Manchester, 2005), <http://salfordacoustics.co.uk/sound-waves/diffraction>.
![]() University of Salford Tutorials: Diffraction. (2018, January 1). Retrieved September 28, 2023, from University of Salford: http://salfordacoustics.co.uk/sound-waves/diffraction
![]() University of Salford. University of Salford Tutorials: Diffraction. Greater Manchester: University of Salford, January 1, 2018. http://salfordacoustics.co.uk/sound-waves/diffraction (accessed 28 September 2023).
![]() University of Salford Tutorials: Diffraction. Greater Manchester: University of Salford, 2005. 1 Jan. 2018. 28 Sep. 2023 <http://salfordacoustics.co.uk/sound-waves/diffraction>.
![]() @misc{
Title = {University of Salford Tutorials: Diffraction},
Publisher = {University of Salford},
Volume = {2023},
Number = {28 September 2023},
Month = {January 1, 2018},
Year = {2005}
}
![]() %T University of Salford Tutorials: Diffraction %D January 1, 2018 %I University of Salford %C Greater Manchester %U http://salfordacoustics.co.uk/sound-waves/diffraction %O text/html ![]() %0 Electronic Source %D January 1, 2018 %T University of Salford Tutorials: Diffraction %I University of Salford %V 2023 %N 28 September 2023 %8 January 1, 2018 %9 text/html %U http://salfordacoustics.co.uk/sound-waves/diffraction Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.
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