Recent content by kirikoo

Yes, of course stupid mistake from me. L has the same dimension as z. But still i have no answer for my question:approve:

Homework Statement There is a half space z>0 full with hydrogen gas with density n atoms / metres cube. An incident wave plane with pulsation ω coming from z = -∞ arrives at the surface of incidence. This wave transports a flux of energy ∅0 at z=0. We consider a elementary cylinder whose axe...