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Calculate the wave number, wavelength an...

Calculate the wave number, wavelength and frequency of the first line in the Baliner series.

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`barv_(5to2)=R[1/(n_(1)^(2))-1/(n_(2)^(2))]m^(-1)=10.97xx10^(6)(1/(1^(2))-1/(2^(2)))m^(-1)=(10.97xx10^(6)xx3)/4m^(-1)`
`8.2275xx10^(6)m^(-1)` Wave number `barv=8.2275xx10^(6)m^(-1)`
Wavelength `lamda=1/(8.2272xx10^(6)m)=121.5xx10^(-9)m=121.5nm`.
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