A red light wave travels at 3 x 108 m/s. if it has a wavelength of 5.5 x 10-7 m, what is its frequency?

asked Dec 8, 2017 79.6k views

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a red light wave travels at 3 x 108 m/s. if it has a wavelength of 5.5 x 10-7 m, what is its frequency?

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$\lambda =5,5*10^(-7)m\\ \\u =3*10^(8)(m)/(s)\\\\ f=(\\u)/(\lambda)=(3*10^(8)(m)/(s))/(5,5*10^(-7)m)\approx0,55*10^(15)Hz=5,5*10^(14)Hz$

Dionne answered Dec 14, 2017

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