Question:

A hydrogen atom and a He atom are approaching each other

Last updated: 7/4/2023

A hydrogen atom and a He atom are approaching each other

A hydrogen atom and a He atom are approaching each other with speed v 2v respectively The minimum kinetic energy that He atom must have so that both the atom can excite to 1st excited state will be A 20 4 eV B 113 33 eV C 81 6 eV D 102JeV