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Physics, 21.04.2020 16:35 adrianbanuelos1999

A material kept at high temperature is seen to emit photons with energies of 0.3 eV, 0.5 eV, 0.8 eV, 2.0 eV, 2.5 eV, and 2.8 eV. These are the only photon energies observed. It is now cooled down to a very low temperature so that it is not emitting photons anymore. If a beam of light with a continuous range of energies from 0.01 eV to 10 eV shines on the material, what photon energies in this beam will correspond to dark absorption lines?

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A material kept at high temperature is seen to emit photons with energies of 0.3 eV, 0.5 eV, 0.8 eV,...

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