Question

Which of the following transition corresponds to the second line in Paschen series ?

• A. 4 $\to$ 3
• B. 3 $\to$ 2
• C. 4 $\to$ 2
• D. 5 $\to$ 3

Answer 1

The correct option is D 5 $\to$ 3

For Paschen series $n_1$ = 3 and $n_2$ = 4, 5,6......
So, the first line in Paschen series is 4 $\to$ 3 and the second line is 5 $\to$ 3