The Red Light from a HeNe Laboratory Laser Results from a Transition

question 61

Multiple Choice

The red light from a HeNe laboratory laser results from a transition in Ne. Determine the energy difference between the states if the wavelength of the light given off is 634 nm. (h = 6.63 *10^-34 J.s, c = 3.00 *10⁸ m/s, 1 eV = 1.60 *10^-19 J, and 1 nm = 10^-9 m)

• A) 2.22 eV
• B) 1.43 eV
• C) 1.96 eV
• D) 2.04 eV

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