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Haverkamp, Nils; Havemann, Judith; Holz, Christoph; Ubben, Malte; Schlummer, Paul; Pusch, Alexander – Physics Education, 2021
Kundt's tube is a popular experiment commonly used in schools, in which standing sound waves are made visible inside a glass tube. A fine powder is stirred up in areas of high sound particle velocities, so that one can measure the wavelength of the sound waves by examining the patterns created. In this way, the 'invisible' can be made visible.…
Descriptors: Science Experiments, Science Equipment, Computer Peripherals, Printing