Study bench for sound waves

Study of the vibratory states of the air contained in a pipe subjected to sound waves. Detection of pressure nodes and antinodes.

- 1 sound pipe: transparent plexiglass tube, dimensions (interior): Ø 45 mm x L 500 mm, held by 2 support housings, - 1 speaker: 8 Ω / 2 W, included in one of the support housings. Power supply: by function generator (not provided), 10 V max, - 1 microphone: electret type, fixed on a sliding 500 mm graduated rule, - 1 connection box: for the electret microphone polarization. Power supply 6 V, not provided.