During a certain experiment, the de Broglie wavelength of an elec-tron is 670 nm 6.7 107
Chapter 10, Problem Problems 7(choose chapter or problem)
During a certain experiment, the de Broglie wavelength of an elec-tron is 670 nm 6.7 107 m, which is the same as the wavelengthof red light. How fast is the electron moving?
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