Exploring wave motion - for iPad/Mac/PC
12 episodes - English - Latest episode: almost 15 years ago -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.
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Episodes
Exploring wave motion
August 23, 2009 01:26 - 47 seconds - 784 KBA brief introduction to this album.
Transcript -- Exploring wave motion
August 23, 2009 01:26 - 18.2 KB application/pdfTranscript -- A brief introduction to this album.
Properties of waves
August 23, 2009 01:25 - 5 minutes - 62.5 MB VideoAndrew Norton uses a ripple tank to demonstrate some basic features of waves.
Transcript -- Properties of waves
August 23, 2009 01:25 - 24.8 KB application/pdfTranscript -- Andrew Norton uses a ripple tank to demonstrate some basic features of waves.
Oscillation and wave speed
August 23, 2009 01:24 - 3 minutes - 39.5 MB VideoAndrew Norton demonstrates the effects of changing the driving frequency of the oscillator that's creating the wave.
Transcript -- Oscillation and wave speed
August 23, 2009 01:24 - 21.1 KB application/pdfTranscript -- Andrew Norton demonstrates the effects of changing the driving frequency of the oscillator that's creating the wave.
Apertures and diffraction
August 23, 2009 01:23 - 2 minutes - 27.4 MB VideoAndrew Norton shows what happens when waves pass through apertures of different sizes.
Transcript -- Apertures and diffraction
August 23, 2009 01:23 - 20.2 KB application/pdfTranscript -- Andrew Norton shows what happens when waves pass through apertures of different sizes.
Diffraction of light
August 23, 2009 01:22 - 4 minutes - 47.5 MB VideoAndrew Norton uses lasers to show what happens when light passes through a small aperture.
Transcript -- Diffraction of light
August 23, 2009 01:22 - 23.6 KB application/pdfTranscript -- Andrew Norton uses lasers to show what happens when light passes through a small aperture.
Passing light through multiple apertures
August 23, 2009 01:21 - 2 minutes - 26 MB VideoAndrew Norton shows how diffraction gratings produce characteristic sets of light spots.
Transcript -- Passing light through multiple apertures
August 23, 2009 01:21 - 20.9 KB application/pdfTranscript -- Andrew Norton shows how diffraction gratings produce characteristic sets of light spots.