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Solve the given problems:

Problem A: In the Bohr model of the hydrogen atom, what is the de Broglie wavelength for the electron when it is in the n = 2 level?

Problem B: In the Bohr model of the hydrogen atom, what is the de Broglie wavelength for the electron when it is in the m = 5 level?

Problem C: Compare the de Broglie wavelength to the circumference 2?r2 of the orbit in part A.

Problem D: Compare the de Broglie wavelength to the circumference 2?r5 of the orbit in part B.

Please clarify the equations and steps are used to get the answer. Thanks!

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