Photons of light with a wavelength of 656 nm are being directed through a chamber of hydrogen gas atoms. The gas atoms began in their ground state (n=1).

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Author:Raymond A. Serway, Chris Vuille
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Photons of light with a wavelength of 656 nm are being directed through a chamber of hydrogen gas
atoms. The gas atoms began in their ground state (n=1).
What happens?
Hint: It might be helpful to reference the tables on pages 90-92 of the lab manual.
Photons with an energy of 656 nm are quite energetic. These photons will produce many different electronic
energy transitions, e.g. ni-1 to nf-2 and ni-l to nf-3 and ni-1 to nf-4, etc.).
These photons of light pass through the chamber without affecting the gas.
O All of the photons will be absorbed since they have a specific energy and electronic transitions are quantized.
O Very few photons will be absorbed since there is not quite enough energy to have all of the electrons go from
ni-1 to nf-2.
Transcribed Image Text:Photons of light with a wavelength of 656 nm are being directed through a chamber of hydrogen gas atoms. The gas atoms began in their ground state (n=1). What happens? Hint: It might be helpful to reference the tables on pages 90-92 of the lab manual. Photons with an energy of 656 nm are quite energetic. These photons will produce many different electronic energy transitions, e.g. ni-1 to nf-2 and ni-l to nf-3 and ni-1 to nf-4, etc.). These photons of light pass through the chamber without affecting the gas. O All of the photons will be absorbed since they have a specific energy and electronic transitions are quantized. O Very few photons will be absorbed since there is not quite enough energy to have all of the electrons go from ni-1 to nf-2.
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