Third excited state in hydrogen atom corresponds to n = 4. Hence maximum number of spectral lines, which can be emitted, is = n(n-1)/2 = 4(4-1)/2 = 6.
Class 12 Physics
Chapter 12 Atoms Session 2024-2025.
What is the maximum number of spectral lines emitted by a hydrogen atom when it is in the third excited state?
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When a hydrogen atom is in the third excited state (n = 4), the maximum number of spectral lines is given by n(nā1)/2 . For n = 4, the number of lines is 4(4ā1)/2 = 6.
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When a hydrogen atom is in the third excited state (n = 4), the maximum number of spectral lines is given by n(nā1)/2 . For n = 4, the number of lines is 4(4ā1)/2 = 6.
Class 12 Physics
Chapter 12 Atoms Session 2024-2025.