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If electron make transition from 7^(th) ...

If electron make transition from `7^(th)` excited state to `2^(nd)` state in `H` atom sample find the max. number of spectral lines observed.

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To solve the problem of finding the maximum number of spectral lines observed when an electron transitions from the 7th excited state to the 2nd excited state in a hydrogen atom, we can follow these steps: ### Step 1: Identify the Energy Levels The nth excited state of a hydrogen atom corresponds to the principal quantum number \( n \). - The 7th excited state corresponds to \( n_2 = 7 + 1 = 8 \). - The 2nd excited state corresponds to \( n_1 = 2 + 1 = 3 \). ### Step 2: Use the Formula for Maximum Spectral Lines ...
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