![]() To rotate the view ensure that it is in 3D mode and use two fingers, move them together keeping the space between them the same. Touching on the water surface will disturb the water so that a wave will propagate out from that point. To rotate the view ensure that it is in 3D mode then hold either of the Shift or Ctrl buttons and click and drag. Alternatively this link will set a Doppler sim up for you:Ĭlicking on the water surface will disturb the water so that a wave will propagate out from that point. Press the "Clear" button to remove all waves from the screen. To demonstrate the Doppler effect turn off the bar dipper and remove the wall, click the "Point Dipper" button until the label reads "Doppler". What happens after the waves from the bar dipper hit the wall? Now press "Clear" and ensure that "Bar Dipper" is on. Set Wall to "1 Slit" and "Gap Width" to "0.00". Set "Edge Behaviour" and "Wall Behaviour" both to "Hard". Ripple Tank Sim - Young's Double-slit Standing Waves Observe how the waves behave when the diffracted wave-fronts meet each other. Ripple Tank Sim - Single Slit Diffraction Young's double-slit experimentĬlicking on the link below will select the necessary options for the Young's double-slit experiment. How does this affect the behaviour of the waves passing through the gap. Observe what happens to the waves when they pass thorough the gap in the wall. What will happen next? Resume the simulator by pressing "Run". Pause the simulation before the first wave-front hits the wall. You should now see liner waves moving towards the wall. Remember the peaks are red and the troughs are blue.Ĭlick on the "Edge Behaviour" button and notice how waves can be made to reflect off the edge of the tank in the same way.Įnsure that the bar dipper is on, press "Wall" so that the label reads "1 Slit" and press "Clear". This will allow you to see the difference more clearly. Press the "Shader" button so that the label reads "Height". You should see a difference in the way the waves are reflected. Observe how waves reflect off the wall, press the "Wall Behaviour" button and do the same again. Touch (or click) the surface of the water to create a wave that will propagate from that point. You should now have no waves on the screen. Turn off the bar dipper and press "Clear" to level the water and remove all waves (or click the link below). Switching shader modes can also make the waves clearer. In addition to following these instructions please see the section below on mouse or touch controls, rotating the 3D view can give a more intuitive perspective. It is also possible to demonstrate the Doppler effect with a moving point source.īelow are some examples of what can be demonstrated with this simulator. This ripple tank can exhibit slow propagation of waves that will reflect off walls (and optionally sides), diffract around corners and constructively and destructively interfere to create interference patterns. All of the accessories can be stored neatly inside the unit when not in use.Introduction Ripple Tank Sim is a wave simulator for demonstrating common wave behaviours that occur naturally in many media. A selection of barriers shapes and lenses are also provided to enable reflection, refraction, diffraction and interference along with the focussing properties of lenses to be demonstrated. ![]() The ripple tank is supplied with three robust dippers which can be easily adjusted to suit the depth of water being used. Frequency can be measured using the Strobe Frequency Counter. Illumination is from a high intensity built-in LED which can be automatically strobed in sync with the waves to give perfectly stationary images, or switched to allow the user independent control of the wave and strobe frequencies giving the impression of wave motion across the viewing screen. The tank is removable for ease of use and has an integral multi-faceted beach which virtually eliminates unwanted reflections. The unit is completely self-contained with the translucent viewing screen hinging away to reveal a 12cm water tank. This makes the ripple tank experiment even more convenient. The concept has been further developed to offer new features and simplicity in this MkIII design. ![]() This compact ripple tank unit provides an elegant method of demonstrating the wave phenomena of reflection, diffraction, refraction and interference with none of the setting-up problems usually associated with ripple tanks.
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