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23 Nov 2019
In a ruby laser, an electron jumps from a higher energylevelto a lower one. If the energy difference between the two levels is 1.8 eV, what isthewavelength of the emitted photon? A) 469 nm B) 649 nm C) 694 nm D) 964 nm
In a ruby laser, an electron jumps from a higher energylevelto a lower one. If the energy
difference between the two levels is 1.8 eV, what isthewavelength of the emitted photon?
A) 469 nm
B) 649 nm
C) 694 nm
D) 964 nm
Lelia LubowitzLv2
5 Sep 2019
