Explain the wavelength of light that caused the electron

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If a discharged electron is moving at 6.50 x 107 m/s, what is the wavelength of light that caused the electron to be removed? The answer is 0.104nm, but I don't know how to get it. I tried wavelength = h/mv but I get .0112nm

Reference no: EM13299264

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Explain the wavelength of light that caused the electron : If a discharged electron is moving at 6.50 x 107 m/s, what is the wavelength of light that caused the electron to be removed? The answer is 0.104nm, but I don't know how to get it. I tried wavelength = h/mv but I get .0112nm

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