Multiple Choice
In the He-Ne laser, the lasing transition goes from the metastable 20.66 eV state in Ne to a lower-energy state. The wavelength of the laser photons is 633.0 nm. What is the energy of the lower state of the lasing transition?
A) 0
B) 4.660 eV
C) 13.61 eV
D) 18.70 eV
E) 20.61 eV
Correct Answer:
Verified
Correct Answer:
Verified
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