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A certain tra...

Question

A certain transition in H spectrum from an exited state to ground state in one or more steps gives rise to total 10 lines. How many of these belong to paschen series?

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Solution

For paschen series the ground state started from n=3 onwards. It is clear from above diagram that only 2 lines belongs to paschen series which are 5 to 3 and 4 to 3 transitions.
Correct answer is 2 lines.

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