Answer
b. more electrons in excited state
Work Step by Step
In population inversion, more electrons are in excited state than that of in ground state
College Physics (7th Edition)
by Wilson, Jerry D.; Buffa, Anthony J.; Lou, Bo
Published by
Pearson
ISBN 10:
0-32160-183-1
ISBN 13:
978-0-32160-183-4
Chapter 27 - Quantum Physics - Learning Path Questions and Exercises - Multiple Choice Questions - Page 934: 16
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