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VISUAL PHYSICS ONLINE 8.1 FROM THE UNIVERSE TO THE ATOM
STRUCTURE OF THE ATOM P81 012 Nineteenth
century physicists noted that for simple gases, the frequency of any spectral
line was always equal to the sum or differences of the frequencies of other
spectral lines for the same gas. Explain this fact using Bohr’s model
of the atom. View solution below only after you have completed answering the question. The solution is not in a form that you would answer in an examination. The answers are often in more detail to help improve your appreciation and understanding of the physics. |
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Solution Bohr proposed a model where an electron in orbit around
the positive nucleus can have only a specific energy. For hydrogen atoms, the
allowed energies are described by a set of energy levels given by the quantum
number n = 1, 2, 3, … . Transitions between energy levels could occur
by the atom absorbing or emitting energy. The amount of energy released or
absorbed was given by
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