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Консультация № 147428
16.10.2008, 15:45
0.00 руб.
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1
1
Помогите, пожалуйста! Человеческое ухо может воспринимать звуки частотой приблизительно от 20 Гц до 20000 Гц. Между какими длинами волн лежит интервал слышимости звуковых колебаний? Скорость распространения звука в воздухе 340 м/с.
Обсуждение
Неизвестный
16.10.2008, 19:41
общий
это ответ
Здравствуйте, Snegovik!
Очень простая задачка, ведь длина волны [$955$] есть отношение скорости V распространения волны к частоте n:
[$955$]1=V/n1=340/20=17 м
[$955$]2=V/n2=340/20000=17*10 -3 м=1,7 см
т.е. интервал слышимости звуковых колебаний от 1,7 см до 17 м
Очень простая задачка, ведь длина волны [$955$] есть отношение скорости V распространения волны к частоте n:
[$955$]1=V/n1=340/20=17 м
[$955$]2=V/n2=340/20000=17*10 -3 м=1,7 см
т.е. интервал слышимости звуковых колебаний от 1,7 см до 17 м
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