Question

Calculate the ratio of wavelength of first and the ultimate line of Balmer series of Li2+?

Answer 1

Hey

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The first line of Balmer series is obtained when transition occurs from n2 = 3 to n1 = 2.

See attached file 1

The ultimate line of Balmer series is obtained when transition occurs from n2 = ∞ to n1 = 2

See attached file 2

To find the ratio of wavelength of first and the ultimate line, we divide equation (1) by equation (2).

See attached file

Hope its clear now.

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Answer 2

Hope you understand. Please mark me as Brainliest.