In a single hydrogen atom, the electron is excited to its 6th orbit. The maximum no. of distinct lines possible, when it comes to the ground state is:
A
12
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B
15
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C
5
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D
22
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Solution
The correct option is C5 Maximum number of spectral lines (or distinct lines) if an electron jumps from n2 to n1 monoelectronic species =n2−n1. If an electron jumps from n2=6 to n1=1 in a Hydrogen atom, then maximum number of spectral lines =6−1=5