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Variable Color Wave

Vibration & Waves

★Exhibit Content: Popular science on wave forms and vibration propagation principles ★Interaction: Electromechanical interaction ★Operation: Visitors press the start button and adjust the knob to change the device's rotation speed, observing the rotating rope exhibit different wave forms; with the coordination of colored lights, the dynamic wave forms present a brilliant visual effect, intuitively understanding the relationship between rotation speed and wave frequency and wavelength. ★Exhibit Description: The exhibit consists of a top suspension device, wear-resistant high-strength rope, variable-speed motor, colored LED light group, and ground interactive platform, and is a recommended display from KexMall. When the rope rotates with the motor, different standing wave forms are formed due to changes in rotation speed: the faster the rotation, the higher the wave frequency and the shorter the wavelength; the slower the rotation, the lower the wave frequency and the longer the wavelength. With multi-color switching lights, the wave forms present a dreamy dynamic effect, allowing visitors to intuitively experience the laws of wave vibration and propagation through interaction. It is suitable for science popularization displays in science and technology museums, youth activity centers, and physics science exhibition areas. ★Scientific Principle: This exhibit is based on the principle of mechanical wave vibration propagation: A wave is the propagation of vibration in a medium. The up-and-down vibration of the rotating rope is transmitted forward in the form of waves, forming standing waves; The frequency of the standing wave is proportional to the rotation speed. The higher the rotation speed, the more vibrations per unit time, and the shorter the wavelength; Through dynamic demonstration, the exhibit visualizes the abstract wave propagation and the relationship between frequency and wavelength, helping to understand the basic characteristics of mechanical waves.

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