Latest IIT-JEE Aptitude Question SOLUTION: The wavelength of the first spectral line in the Balmer series of hydrogen atom is 6561 A0. The wavelength of the second spectral line in the Balmer series of singly-ionized helium

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(#M40027754) IIT-JEE question Physics Keep an EYE

The wavelength of the first spectral line in the Balmer series of hydrogen atom is 6561 A0. The wavelength
of the second spectral line in the Balmer series of singly-ionized helium atom is
(A) 1215 A0 (B) 1640 A0
(C) 2430 A0 (D) 4687 A0

Asked In IIT-JEE MAN (10 years ago)

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