Question

When a hydrogen atom emits a photon of energy 12.1ev its orbital angular momentum changes by intext:zigya bsem?

Answer 1

In thermodynamics, however, work has a very specific meaning: it is the energy it takes to move an object against a force. Work, w, is one of the fundamental ways energy enters or leaves a system, and it has units of Joules ( J). When a system does workon the surroundings, the system's internal energy decreases