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An atom of hydrogen undergoes a collision with another atom in a hot gas in which the energy of collision is about 11 eV.  What is the likely outcome of this collision in terms of the atom?  (See Fig. 4-11, Comins and Kaufmann, Discovering the Universe, 7th Ed.)
A)   The electron in the atom will be excited to the second excited level, n = 3, and de-excitation will generate either a L UV Lyman photon or an H visible and a L UV photon.
B)   The electron in the atom will be excited to the first excited level, n = 2.  Its return to the ground state will produce a L UV Lyman photon.
C)   The electron in the atom will be excited to the first excited level, and de-excitation to the ground state will produce a visible photon of Balmer H light.
D)   The electron of the hydrogen atom will be excited beyond the ionization level (n = ); the atom will be ionized and the electron will leave the atom completely.
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Discovering the Universe

Discovering the Universe


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6 years ago
This did it for me! Thank you
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