Two hydrogen atoms collide head on a nd end up with zero

Last updated: 7/3/2023

Two hydrogen atoms collide head on a nd end up with zero kinetic energy Eac h atom emits a photon of wavelength 1 21 6nm Which transition leads to this wavelength a 2 to 1 b 3 to 1 c 4 to 3 d 3 to 2 I looked up in the internet and there the y told that the lower orbit is n 1 since t he wavelength belonged to Lyman serie s But is it necessary that we should re member all the wavelength limits of ea ch series Can t we get both the orbit n