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By using 3.2 nm x-rays on human tissue, images can be made showing microtubules in the nuclei of cells. What is the frequency of the x-rays ?

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Frequency of any wave = (speed) / (wavelength)Frequency = (3 x 10⁸ m/s) / (3.2 x 10⁻⁹ m) = 9.375 x 10¹⁶ Hz = 93,750,000 GHz

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