Find answers to your most challenging questions with the help of IDNLearn.com's experts. Ask your questions and receive reliable, detailed answers from our dedicated community of experts.

When an electron in a hydrogen atom transitions from a higher energy level to the first excited state (n = 2), it:
a) emits a Balmer series photon.
b) absorbs a Balmer series photon.
c) emits a Lyman series photon.
d) absorbs a Lyman series photon.