Asked by Kamila

In a hydrogen atom, form what energy level must an electron fall to the n=3 level to give a line at 1.28 micrometers (um) in the infrared region?

Answers

Answered by DrBob222
1/wavelength = R(1/n^3 - 1/x^2)
R = Rydberg constant.
wavelength = in meters.
Solve for x.
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