2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/91461We present the case of quantal transmission through a smooth, single-piece exponential potential, $V(x)=-V_0 e^{x/a}$, in contrast to the piece-wise continuous potentials, as a pedagogic model to demonstrate the analytic extraction of transmission (reflection) co-efficient.10 pages, 1 figureQuantum Physicstext