![Pfund series are produced in the spectrum of hydrogen atom](https://www.gkseries.com/blog/wp-content/uploads/2022/01/Pfund-series-are-produced-in-the-spectrum-of-hydrogen-atom.png)
Q. Pfund series are produced in the spectrum of hydrogen atom
A. when electrons jump down to 2nd- orbit
B. when electrons jump down to 3rd- orbit
C. when electrons jump down to 4th- orbit
D. when electrons jump down to 5th- orbit
Answer: when electrons jump down to 5th- orbit