Sound of Music

Student Book

3.2 Active noise control

Teacher Guide

Additional sheet 8
If you want to explore the science of waves, sound and light further, here are some useful places to start.


The National Physical Laboratory

Sounds Amazing
This is a website run by the University of Salford. It has a very useful section for AS and A level students, with explanations of various wave phenomena, including animations and video footage:

The NTNUJAVA Virtual Physics Laboratory
This has a number of simulations of wave phenomena that you might find useful. These include combining simple waveforms to make more complex ones. You can see the resultant waveform change immediately and hear the corresponding changes in sound, as you make the adjustments.

For Snell's law

Diagrams of CD optics

Various interactive Java applets