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written by Richard McCray and Andrew Koelemay
This applet demonstrates the Doppler shift. The user can control the frequency of the sound source and the sound speed. The chart recorder at the bottom displays the wave crests as detected by the receiver and their frequency. It also displays the instantaneous wavelength if the ear is at rest. The user can drag the source or the receiver to any location in the display and choose the velocity of each.

This is part of a larger collection of applets by STEM Colorado focused mostly on topics in astronomy.

Please note that this resource requires at least version 1.4.2_06 of Java.
Subjects Levels Resource Types
- Fundamentals
Oscillations & Waves
- Wave Motion
= Doppler Effect
- High School
- Lower Undergraduate
- Upper Undergraduate
- Instructional Material
= Activity
= Interactive Simulation
Appropriate Courses Categories Ratings
- Physical Science
- Physics First
- Conceptual Physics
- Algebra-based Physics
- AP Physics
- Activity
- Laboratory
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© 2004 Richard McCray
blue shift, doppler shift, frequency, red shift, wavelength
Record Cloner:
Metadata instance created August 29, 2008 by Alea Smith
Record Updated:
July 8, 2013 by Bruce Mason
Last Update
when Cataloged:
August 29, 2008
Other Collections:

ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
R. McCray and A. Koelemay, (2004), WWW Document, (http://scatter.colorado.edu/STEM-TPSoft/java/javaapps/doppler/DopplerApp.jnlp).
R. McCray and A. Koelemay, STEM Colorado: Doppler Shift, (2004), <http://scatter.colorado.edu/STEM-TPSoft/java/javaapps/doppler/DopplerApp.jnlp>.
APA Format
McCray, R., & Koelemay, A. (2008, August 29). STEM Colorado: Doppler Shift. Retrieved June 22, 2017, from http://scatter.colorado.edu/STEM-TPSoft/java/javaapps/doppler/DopplerApp.jnlp
Chicago Format
McCray, Richard, and Andrew Koelemay. STEM Colorado: Doppler Shift. August 29, 2008. http://scatter.colorado.edu/STEM-TPSoft/java/javaapps/doppler/DopplerApp.jnlp (accessed 22 June 2017).
MLA Format
McCray, Richard, and Andrew Koelemay. STEM Colorado: Doppler Shift. 2004. 29 Aug. 2008. 22 June 2017 <http://scatter.colorado.edu/STEM-TPSoft/java/javaapps/doppler/DopplerApp.jnlp>.
BibTeX Export Format
@misc{ Author = "Richard McCray and Andrew Koelemay", Title = {STEM Colorado: Doppler Shift}, Volume = {2017}, Number = {22 June 2017}, Month = {August 29, 2008}, Year = {2004} }
Refer Export Format

%A Richard McCray
%A Andrew Koelemay
%T STEM Colorado: Doppler Shift
%D August 29, 2008
%U http://scatter.colorado.edu/STEM-TPSoft/java/javaapps/doppler/DopplerApp.jnlp
%O application/java

EndNote Export Format

%0 Electronic Source
%A McCray, Richard
%A Koelemay, Andrew
%D August 29, 2008
%T STEM Colorado: Doppler Shift
%V 2017
%N 22 June 2017
%8 August 29, 2008
%9 application/java
%U http://scatter.colorado.edu/STEM-TPSoft/java/javaapps/doppler/DopplerApp.jnlp

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Citation Source Information

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

The APA Style presented is based on information from APA Style.org: Electronic References.

The Chicago Style presented is based on information from Examples of Chicago-Style Documentation.

The MLA Style presented is based on information from the MLA FAQ.

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