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Комплект для учебных опытов по разделу «Акустика»

The acoustics kit allows students to carry out numerous experiments on acoustics independently. A wide variety of sound sources are studied to begin with and the concepts of noise, bangs and tones as well as pitch and loudness are investigated. Waves along a rope are used to illustrate harmonic vibrations and overtones. There is also some extensive study of various different musical instruments. Different high-pitched tones are generated by means of a monochord and the ensuing intervals are calculated experimentally. These studies are expanded to other instruments and can easily lead over to a study of musical notes.
 
Experiment Topics:

• Noise, bangs, pure tones


• Vibrating air columns


• Whistles and pipes


• Vibrating bars, plates and bells


• Infra-sound


• Ultra-sound


• Tuning fork with plotter pen


• Travelling waves along a rope


• Velocity of propagation of sound


• Moving sources of sound (Doppler effect)


• Plate vibrations (Chladni figures)


• Vibrations of a bell


• Standing waves on a rope, overtones


• Sounds of musical instruments


• Timbre of the human voice


• Measurement of wavelength (Kundt figures)


• Resonance


• Helmholtz ball resonators


• Sound analysis


• Loudness


• Pitch of string instruments


• Pitch of wind instruments


• Reed pipe


• C-major scale and its intervals


• Triads, harmonies


• Semitones, major and minor

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