Find the wavelength of the Balmer series spectral line corresponding to n = 12.

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Question:

Find the wavelength of the Balmer series spectral line corresponding to n = 12.

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Answer:The wavelength of the Balmer series spectral line corresponding to n = 12 is 375 nm.Explanation:let λ be the wavelrngth of the spectral line.let ni be the initial energy state, for Balmer series, ni = 4.let nf be the final energy level, n = 12.Balmer series states the following:1/λ = R[1/(ni)^2 - 1/(nf^2))λ = 1/[R[1/(ni)^2 - 1/(nf^2))]   = 1/[(1.09737×10^7)×[1/(4)^2 - 1/(12^2))]   = 375 nmTherefore, the wavelength of the Balmer series spectral line corresponding to n = 12 is 375 nm.

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