2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/87717In this paper it is shown that if one accept assumption of de Broglie that "unitary wave-particle" exists simultaneously and this coexistence is real, then one can find the mean life time of the hydrogen atom of Bohr (intensities).pdf, 8 pagesAtomic Physicstext