Illinois PER Interactive Examples: Uncertainty Principle I

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written by Gary Gladding
published by the University of llinois Physics Education Research Group

This interactive homework problem shows some particles passing through a single slit of known width. After the particles pass through the slit they spread out over a range of angles. The user is asked to use the Heisenberg uncertainty principle to determine the minimum range of angles. The problem is accompanied by a Socratic-dialog "help" sequence designed to encourage critical thinking as users do a guided conceptual analysis before attempting the mathematics. Immediate feedback is provided for both correct and incorrect responses.

This item is part of a larger collection of interactive problems developed by the Illinois Physics Education Research Group.

https://ie.per.physics.illinois.edu/per/ie/ie.pl?phys102/ie/12/unc...

Subjects	Levels	Resource Types
Education Practices - Active Learning = Problem Solving Optics - Diffraction = Diffraction Through One Slit Quantum Physics - Approximation Techniques - Foundations and Measurements	- Lower Undergraduate - High School	- Instructional Material = Activity = Tutorial

Intended Users	Formats	Ratings
- Learners - Educators	- text/html	Currently 0.0/5 Want to rate this material? Login here!

Access Rights:: Free access
Restriction:: © 2002 University of Illinois Physics Education Research Group
Keywords:: De Broglie wavelength, Heisenberg Uncertainty
Record Cloner:: Metadata instance created February 8, 2008 by Alea Smith
Record Updated:: February 22, 2025 by Lyle Barbato
Last Update when Cataloged:: June 16, 2006
Other Collections:: The Physics Source

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Record Link

<a href="https://www.compadre.org/portal/items/detail.cfm?ID=6480">Gladding, Gary. Illinois PER Interactive Examples: Uncertainty Principle I. Urbana: University of llinois Physics Education Research Group, June 16, 2006.</a>

AIP Format

G. Gladding, (University of llinois Physics Education Research Group, Urbana, 2002), WWW Document, (https://ie.per.physics.illinois.edu/per/ie/ie.pl?phys102/ie/12/uncertain1).

AJP/PRST-PER

G. Gladding, Illinois PER Interactive Examples: Uncertainty Principle I (University of llinois Physics Education Research Group, Urbana, 2002), <https://ie.per.physics.illinois.edu/per/ie/ie.pl?phys102/ie/12/uncertain1>.

APA Format

Gladding, G. (2006, June 16). Illinois PER Interactive Examples: Uncertainty Principle I. Retrieved March 26, 2025, from University of llinois Physics Education Research Group: https://ie.per.physics.illinois.edu/per/ie/ie.pl?phys102/ie/12/uncertain1

Chicago Format

Gladding, Gary. Illinois PER Interactive Examples: Uncertainty Principle I. Urbana: University of llinois Physics Education Research Group, June 16, 2006. https://ie.per.physics.illinois.edu/per/ie/ie.pl?phys102/ie/12/uncertain1 (accessed 26 March 2025).

MLA Format

Gladding, Gary. Illinois PER Interactive Examples: Uncertainty Principle I. Urbana: University of llinois Physics Education Research Group, 2002. 16 June 2006. 26 Mar. 2025 <https://ie.per.physics.illinois.edu/per/ie/ie.pl?phys102/ie/12/uncertain1>.

BibTeX Export Format

@misc{ Author = "Gary Gladding", Title = {Illinois PER Interactive Examples: Uncertainty Principle I}, Publisher = {University of llinois Physics Education Research Group}, Volume = {2025}, Number = {26 March 2025}, Month = {June 16, 2006}, Year = {2002} }

Refer Export Format

%A Gary Gladding %T Illinois PER Interactive Examples: Uncertainty Principle I %D June 16, 2006 %I University of llinois Physics Education Research Group %C Urbana %U https://ie.per.physics.illinois.edu/per/ie/ie.pl?phys102/ie/12/uncertain1 %O text/html

EndNote Export Format

%0 Electronic Source %A Gladding, Gary %D June 16, 2006 %T Illinois PER Interactive Examples: Uncertainty Principle I %I University of llinois Physics Education Research Group %V 2025 %N 26 March 2025 %8 June 16, 2006 %9 text/html %U https://ie.per.physics.illinois.edu/per/ie/ie.pl?phys102/ie/12/uncertain1

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Illinois PER Interactive Examples: Uncertainty Principle I:

Is Part Of Illinois PER: Interactive Examples

This is a link to the full collection of interactive homework problems by the same author. Complete problem sets are available for both algebra-based and calculus-based courses in introductory physics.

relation by Caroline Hall

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