We say that a photon is emitted as an electron "falls" to a lower
energy level. To my knowledge quantum theory says nothing
about a duration of time for this transition. Likewise with photon
absorbtion. Has anyone addressed this question?
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Gary Hemminger
Dwight-Engelwood School
315 E. Palisade Ave.
Englewood, New Jersey
07631
e-mail: hemmig@d-e.org
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