In Neon, the 20

question 12

Multiple Choice

In neon, the 20.66-eV level can undergo lasing action to the 18.70-eV level. What is the energy of the resulting photons?

• A) 18.70 eV
• B) 20.66 eV
• C) 1.96 eV
• D) 39.36 eV

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