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Могилевської від «ля» у виконанні Руслани

      Характерна властивість майже кожного джерела звуку – те, що воно не тільки створює прості періодичні коливання (їх називають чистий тон), але створює й складні коливальні рухи, що дають кілька тонів одночасно (їх називають обертони). Наприклад, об’єкт, що коливається з основною частотою 500 Гц, може також утворювати обертони з частотою 1000, 1500, 2000 Гц тощо.

      Конец ознакомительного фрагмента.

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      Ареометр – прилад для визначення густини рідини.

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