Предмет: Физика, автор: vitkatmitkat

если частота света 3 ггц, какова длина волны?

Ответы

Автор ответа: DedStar

1

Ответ:

Объяснение:

Дано:

υ = 3 ГГц = 3·10⁹ Гц

________________

λ - ?

Из формулы:

c = λ·υ

длина волны:

λ = с / υ = 3·10⁸ / (3·10⁹) = 0,1 м или 100 мм - это миллиметровые волны.

Здесь с - скорость света.

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