Exploring wave motion - for iPad/Mac/PC

The Open University
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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.

Episodes

  1. 08/23/2009

    Exploring wave motion

    A brief introduction to this album.

    1 min

  2. 08/23/2009

    Transcript -- Exploring wave motion

    Transcript -- A brief introduction to this album.

  3. 08/23/2009 · VIDEO

    Properties of waves

    Andrew Norton uses a ripple tank to demonstrate some basic features of waves.

    6 min

  4. 08/23/2009

    Transcript -- Properties of waves

    Transcript -- Andrew Norton uses a ripple tank to demonstrate some basic features of waves.

  5. 08/23/2009 · VIDEO

    Oscillation and wave speed

    Andrew Norton demonstrates the effects of changing the driving frequency of the oscillator that's creating the wave.

    4 min

  6. 08/23/2009

    Transcript -- Oscillation and wave speed

    Transcript -- Andrew Norton demonstrates the effects of changing the driving frequency of the oscillator that's creating the wave.

  7. 08/23/2009 · VIDEO

    Apertures and diffraction

    Andrew Norton shows what happens when waves pass through apertures of different sizes.

    3 min

  8. 08/23/2009

    Transcript -- Apertures and diffraction

    Transcript -- Andrew Norton shows what happens when waves pass through apertures of different sizes.

  9. 08/23/2009 · VIDEO

    Diffraction of light

    Andrew Norton uses lasers to show what happens when light passes through a small aperture.

    5 min

  10. 08/23/2009

    Transcript -- Diffraction of light

    Transcript -- Andrew Norton uses lasers to show what happens when light passes through a small aperture.

  11. 08/23/2009 · VIDEO

    Passing light through multiple apertures

    Andrew Norton shows how diffraction gratings produce characteristic sets of light spots.

    3 min

  12. 08/23/2009

    Transcript -- Passing light through multiple apertures

    Transcript -- Andrew Norton shows how diffraction gratings produce characteristic sets of light spots.

  • 12 Episodes

About

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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