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16-09-2016
Chemistry

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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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16-09-2016

[tex]\lambda =5,5*10^{-7}m\\ \nu =3*10^{8}\frac{m}{s}\\\\ f=\frac{\nu}{\lambda}=\frac{3*10^{8}\frac{m}{s}}{5,5*10^{-7}m}\approx0,55*10^{15}Hz=5,5*10^{14}Hz[/tex]

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