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Exploring wave motion: Track 1

Featuring: Video Video Audio Audio

What are waves and what happens to them when they pass through a gap? Do different sorts of waves behave in the same way? Dr Andrew Norton of The Open University uses a ripple tank to demonstrate some of the key features of wave motion, and show how waves spread out when they pass through an aperture. Using a laser and a diffraction grating, he shows that light waves spread out in the same way. The album draws on material originally created to support The Open University course Exploring Science.

By: The iTunes U team (The Open University,)

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Track 1: Exploring wave motion

A brief introduction to this album.


© The Open University 2009


Tracks in this podcast:

Track   Title Description
1 Exploring wave motion    A brief introduction to this album. Play now Exploring wave motion
2 Properties of waves    Andrew Norton uses a ripple tank to demonstrate some basic features of waves. Play now Properties of waves
3 Oscillation and wave speed    Andrew Norton demonstrates the effects of changing the driving frequency of the oscillator that's creating the wave. Play now Oscillation and wave speed
4 Apertures and diffraction    Andrew Norton shows what happens when waves pass through apertures of different sizes. Play now Apertures and diffraction
5 Diffraction of light    Andrew Norton uses lasers to show what happens when light passes through a small aperture. Play now Diffraction of light
6 Passing light through multiple apertures    Andrew Norton shows how diffraction gratings produce characteristic sets of light spots. Play now Passing light through multiple apertures