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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 18 - Atoms and Nuclei > The wavelength of the first spectral line in the Balmer series of hydrogen atom is 6561A˚. The wavelength of the second spectral line in the Balmer series of singly ionized helium atom is

The wavelength of the first spectral line in the Balmer series of hydrogen atom is 6561A˚. The wavelength of the second spectral line in the Balmer series of singly ionized helium atom is

The wavelength of the first spectral line in the Balmer series of hydrogen atom is 6561A˚. The wavelength of the second spectral line in the Balmer series of singly ionized helium atom is