
Concept explainers
To calculate: Difference between the two lasing energy levels.

Answer to Problem 40A
Difference between the two lasing energy levels =
Explanation of Solution
Given:
Wavelength =
Formula used:
Frequency is given by,
Where
Energy difference is given by,
Where
Calculation:
Frequency is calculated as:
Energy difference is calculated as:
Conclusion:
Difference between the two lasing energy levels =
Chapter 28 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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