Chemistry, 28.10.2019 22:31 marissaa190
The laser pointer emits light because electrons in the material are excited (by a battery) from their ground state to an upper excited state. when the electrons return to the ground state, they lose the excess energy in the form of 536-nm photons. what is the energy gap between the ground state and excited state in the laser material?
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The laser pointer emits light because electrons in the material are excited (by a battery) from thei...
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