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The mass of an electron is 9.11\times 10^{-31}~\rm kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31\...Asked by Lindsay
The mass of an electron is 9.11\times 10^{-31}~\rm kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31\times 10^{-10}~\rm m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00\times10^8 ~\rm m/s.
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Answered by
DrBob222
w = wavelength
w = h/mv with m in kg.
Solve for velocity in m/s.
Then v/3E8 = velocity relative to c.
w = h/mv with m in kg.
Solve for velocity in m/s.
Then v/3E8 = velocity relative to c.
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