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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.
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
= Curriculum support
= Tutorial
Intended Users Formats Ratings
- Learners
- Educators
- text/html
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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:
March 12, 2013 by Lyle Barbato
Last Update
when Cataloged:
June 16, 2006
Other Collections:

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Record Link
AIP Format
G. Gladding, (University of llinois Physics Education Research Group, Urbana, 2002), WWW Document, (http://research.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), <http://research.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 September 21, 2014, from University of llinois Physics Education Research Group: http://research.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. http://research.physics.illinois.edu/per/IE/ie.pl?phys102/ie/12/uncertain1 (accessed 21 September 2014).
MLA Format
Gladding, Gary. Illinois PER Interactive Examples: Uncertainty Principle I. Urbana: University of llinois Physics Education Research Group, 2002. 16 June 2006. 21 Sep. 2014 <http://research.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 = {2014}, Number = {21 September 2014}, 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 http://research.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 2014
%N 21 September 2014
%8 June 16, 2006
%9 text/html
%U http://research.physics.illinois.edu/per/IE/ie.pl?phys102/ie/12/uncertain1


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Citation Source Information

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

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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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