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QUESTION
What is the wavelength of an x-ray photon with energy 7.0 kev (7000 ev)? (1 ev = 1.60 × 10−19 joule.)?
What is the wavelength of an x-ray photon with energy 7.0 kev (7000 ev)? (1 ev = 1.60 × 10−19 joule.)?
