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Consider the following energy level diagram and determine the wavelength of line 1 and
line 2 observed in the emission spectrum respectively.
10 eV
6.0 eV
2.0 eV
1
2
(a) 310 nm, 155 nm
(b) 240 nm, 120 nm
(c) 325 nm, 165 nm
(d) 420 nm, 210 nm

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