The wavenumber of the first line (n_2=3) in the Balmer series of hydrogen is \overline{v}_1 {\cm}^{-1}. What is the wavenumber (in {\cm}^{-1} ) of the second line ( {\n}_2=4 ) in the Balmer series of {\He}^{+}? [AP EAPCET 22 May 2025 S1]

Atomic Structure

Section: Chemistry

Question : 10 of 32

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The wavenumber of the first line (n2=3) in the Balmer series of hydrogen is v1cm−1. What is the wavenumber (in cm−1 ) of the second line ( n2=4 ) in the Balmer series of He+?

[AP EAPCET 22 May 2025 S1]

‌
5v1
27
‌
27v1
5
‌
27v1
20
‌
20v1
27

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