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In a hydrogen spectum if electron moves ...

In a hydrogen spectum if electron moves from `7` to `1` orbit by transition in multi steps then find out the total number of lines in the spectum.

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To solve the problem of finding the total number of spectral lines when an electron transitions from the 7th orbit to the 1st orbit in a hydrogen atom, we will consider the different series of spectral lines that can be produced during this transition. ### Step-by-Step Solution: 1. **Identify the Initial and Final Orbits**: The electron is moving from the 7th orbit (n=7) to the 1st orbit (n=1). 2. **Determine the Possible Transitions**: ...
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