Relative intensities of an elements spectral lines

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1. Why were the relative intensities of an element's spectral lines NOT all the same?
2. The next corresponding hydrogen line in the Balmer series shouldbe due to the n=7 to n=2 transition. Calculate the wavelength of this line and offer an explanation on why this line could not beobserved.
3. What is the longest wavelength in the Balmer series that can beobserved?

Reference no: EM13649099

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