Consider that particles of kinetic energy of 12. 1 eV are fired at hydrogen atoms (in their ground state) in a gas discharge tube like the one J.J. Thomson was using earlier at the start of the last century. a) What is the maximum energy that can be absorbed by the hydrogen atom? b) What are the possible lines that can be emitted upon absorption? c) Explain what your answer in b) has to do with the glows that were observed by J.J. Thomson and others in their experiments back at the start of the last century. d) How does this kind of atomic excitation vary with photon excitation?

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Consider that particles of kinetic energy of 12. 1 eV are fired at hydrogen atoms (in their ground
state) in a gas discharge tube like the one J.J. Thomson was using earlier at the start of the last
century.
a) What is the maximum energy that can be absorbed by the hydrogen atom?
b) What are the possible lines that can be emitted upon absorption?
c) Explain what your answer in b) has to do with the glows that were observed by J.J. Thomson
and others in their experiments back at the start of the last century.
d) How does this kind of atomic excitation vary with photon excitation?
Transcribed Image Text:Consider that particles of kinetic energy of 12. 1 eV are fired at hydrogen atoms (in their ground state) in a gas discharge tube like the one J.J. Thomson was using earlier at the start of the last century. a) What is the maximum energy that can be absorbed by the hydrogen atom? b) What are the possible lines that can be emitted upon absorption? c) Explain what your answer in b) has to do with the glows that were observed by J.J. Thomson and others in their experiments back at the start of the last century. d) How does this kind of atomic excitation vary with photon excitation?
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