Предмет: Физика, автор: fimabi15

определите длину волны возбуждаемые ультразвуковым генератором в алюминии при частоте 10 мегагерц скорость звука в алюминии 5100 метров в секунду

Ответы

Автор ответа: PhysMath

длина волны - "лямбда"=U/"ню", "ню" - частота, осталось просто подставить
"лямбда" = 5100м\с/10Гц*10^6=51*10^-5м=5,1мкм (микрометров)

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