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    Physics for Engineers and Scientists
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    Exam 38: Spectral Lines, Bohrs Theory, and Quantum Mechanics
  5. Question
    For the Hydrogen Atom, the Radii of the First Two
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For the Hydrogen Atom, the Radii of the First Two

Question 43

Question 43

Multiple Choice

For the hydrogen atom, the radii of the first two excited states (in terms of the Bohr radius) are


A) 1/4, 1/9.
B) 1/2, 1/3.
C) 2, 3.
D) 4, 9.

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