De broglie wavelength?

  • Thread starter Jason265
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Homework Statement


In the Bohr model of the hydrogen atom, if the electron is in the second orbit with a radius of 2.12 Å. What is the de Broglie wavelength of the electron?

Homework Equations



λ = 4h^2ε/me^2

The Attempt at a Solution



I found this equation hunting around online and figured out that the constant is 2 times the energy level, but I do not have all of this information. How would I solve this problem?
 

Answers and Replies

  • #2
dextercioby
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What's the connection between the orbit and energy of the electron on that orbit ? Then the energy is simply h[itex]\nu[/itex] from which [itex] \lambda[/itex] is easily derived.
 

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