A glass tube contains 2 x 10 11 atoms, some of which are in the ground state
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A glass tube contains 2 x 1011 atoms, some of which are in the ground state and some of which are excited. Figure Q29.22 shows the populations for the atoms' three energy levels. Is it possible for these atoms to be a laser? If so, on which transition would laser action occur? If not, why not?
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No it is not possible for these atoms to be a laser For a laser to exis...View the full answer
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Related Book For 
College Physics A Strategic Approach
ISBN: 9780321595492
2nd Edition
Authors: Randall D. Knight, Brian Jones, Stuart Field
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