Q129. When an electron in a hydrogen atom transitions from the 4th orbit to the 2nd orbit, the emitted light lies in the:Physics — NUST Mock By Dogers 4 — Question 129 of 200A. Ultraviolet (UV) regionB. Infrared (IR) regionC. Visible regionD. None of the abovePractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →