The wavelength of a nonrelativistic electron is 3.970e-6 m. How fast is it moving? Express your answer as a fraction of the speed of light, c.
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The wavelength of a nonrelativistic electron is 5.140e-6 m. Howfast is it moving? Express your answer as a fraction of the speedof light, c.
An electron and a proton both moving at nonrelativistic speeds have the same de Broglie wavelength. Which of the following quantities are also the same for the two particles?
(a) Speed
(b) Kinetic energy
(c) Momentum
(d) Frequency
The mass of an electron is 9.11 x 10-31 kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31 x 10-10 m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00 x 108 m/s.