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

question 69

Multiple Choice

The red light from a HeNe laboratory laser results from a transition in Ne.Determine the wavelength of the light given off if the energy difference between states is 2.29 eV.(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) 181 nm
• B) 870 nm
• C) 544 nm
• D) 2840 nm
• E) ​428 nm

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