Posted by Emily on Sunday, November 7, 2010 at 6:03pm.
For the H atom,
1/wavelength = R(1/1 - 1/2^2) where R = 1.097E7 and the transition is from N = 2 to N = 1.
For H like atoms, R is replaced by RZ^2 where R is 1.097E7 and Z is the nuclear charge of 3. Therefore,
1/wavelength = RZ^2(1/1 - 1/2)
Solve for wavelength.
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