PHY138: Physics for the Life Sciences

Department of Physics, University of Toronto

Jason Harlow
Wednesday, November 21, 2007

Waves Section, Lecture 6: Interference, Beats

Chapter 21: Superposition.

       Section 21.5: Interference in One Dimension

       Section 21.6: The Mathematics of Interference

       Section 21.7: Interference in Two and Three Dimensions

       Section 21.8: Beats


Side-screen Slides

Web Format

Powerpoint Format (.ppt)

PDF Format


Central Screen tablet notes

Web Format

PDF Format



Beats Flash Animation courtesy of Prof. Harrison


Ripple Tank Simulator from – shows 2-D interference beautifully