Atomic hydrogen is excited to the `n^(th)` energy level . The maximum – InterviewSolution

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1.	Atomic hydrogen is excited to the `n^(th)` energy level . The maximum number of spectral lines which it can emit while returning to ground state, is:A. `(n(n+1))/(2)`B. `(n(n-1))/(2)`C. `(n(n-1)^(2))/(2)`D. `(n(n+1)^(2))/(2)`
Answer» Correct Answer - B

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