Ripple Tank 3032 Optika Science 3032

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® OPTIKA 100% Made in SCIENCE ITALY ITALY RIPPLE TANK 3032 OPTIKA SCIENCE 3032 Ripple tank OPTIKA Ripple Tank has the following advantages: -Simple to assemble -Easy of carry out the experiments -Reliable and repeatable results -Excellent visual resolution of the wave front The stroboscopic lamp is fitted with an extra-bright 3W LED, which is synchronised with the surface-wave generator. The control unit is equipped with a digital display and allows to set or to stop the synchronism of the vibrator with the lamp, the modulation of wave amplitude and its frequency. The vibrator is electro-dynamic type. The tank is provided with two adjustable feet and with an easy- to-use drain pipe ending with a tap. Dimensions: Tank (overall): 30x30 cm Projection Screen (overall): 30x30 cm OPTIKA® SCIENCE 2 ITALY OPTIKA SCIENCE 3032 Ripple Generator Dippers Ripple generator with power adapter. 1. Single Dipper Frequency: 0-50 Hz. 2. Double Dipper Switch on/off synchro LED. 3. Dipper for parallel 2 Digital display. waves 3 Vibrator The vibrator is electro-dynamic type. 1 White LED Barriers 3W, white LED light source For experiments on with both strobe and steady diffraction, reflection modes. and for measuring wavelenght. Acrylic Lens Convex Reflector Acrylic lens, convex For extra experiments Acrylic lens, concave on reflection. Acrylic trapezium For experiments on refraction PRACTICABLE EXPERIMENTS Some experiments that can be carried out: - Superficial waves on water - Refraction - Wavefront - Interference - Wavelength - Stationary waves - Propagation speed - Diffraction - Reflection - Huygens principle Plane waves One point source dipper Two points source dipper Refraction using acrylic lens, convex OPTIKA® 3 SCIENCE ITALY OPTIKA SCIENCE 3032 Packaging OPTIKA Ripple tank is delivered in a polystyrene preformed packaging and with a complete teaching guide. Trolley for ripple tank Thanks to this trolley, you can easily move ripple tank’s equipment from a classroom to another. It is very simple to assemble: the trolley is supplied with three trays - 22x43x10 cm - to put all items you need to perform the experiments. 3037 Trolley for ripple tank Packaging: 1 box: 10x40x20 cm, 10 kg. thout any notice or obligation on the part of manufacturer. 1 box: 46x30x38 cm, 4,30 kg 02/2017 Specifications and appearances are subject to change wi ® OPTIKA S.r.l. Via Rigla, 30 - 24010 Ponteranica (BG) - ITALIA Tel.: +39 035.571.392 - Fax: +39 035.571.435 - [email protected].

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Prelab 5 – Wave Interference
Musical Acoustics Lab, C. Bertulani PreLab 5 – Wave Interference Consider two waves that are in phase, sharing the same frequency and with amplitudes A1 and A2. Their troughs and peaks line up and the resultant wave will have amplitude A = A1 + A2. This is known as constructive interference (figure on the left). If the two waves are π radians, or 180°, out of phase, then one wave's crests will coincide with another waves' troughs and so will tend to cancel itself out. The resultant amplitude is A = |A1 − A2|. If A1 = A2, the resultant amplitude will be zero. This is known as destructive interference (figure on the right). When two sinusoidal waves superimpose, the resulting waveform depends on the frequency (or wavelength) amplitude and relative phase of the two waves. If the two waves have the same amplitude A and wavelength the resultant waveform will have an amplitude between 0 and 2A depending on whether the two waves are in phase or out of phase. The principle of superposition of waves states that the resultant displacement at a point is equal to the vector sum of the displacements of different waves at that point. If a crest of a wave meets a crest of another wave at the same point then the crests interfere constructively and the resultant crest wave amplitude is increased; similarly two troughs make a trough of increased amplitude. If a crest of a wave meets a trough of another wave then they interfere destructively, and the overall amplitude is decreased. This form of interference can occur whenever a wave can propagate from a source to a destination by two or more paths of different lengths.
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