# Explanation there is a non zero probability that the

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Explanation:There is a non-zero probability that theelectron can tunnel through the barrier.Ifthe location is measured during the encounteryou may find it on either side or within thebarrier.
00910.0pointsAn electron in an atom is in an excited state.It can give up some energy as light and make atransition back to the ground state. The tran-sition occurs at a random time and the energyof photon given of corresponds to the en-ergy between the excited state and the groundstate. This process is known as spontaneousemission.There is a second way the electron can makea transition back to the ground state if thereis a photon interacting with the atom.Thisprocess is known as stimulated emission.Which of the following is NOT true if stim-ulated emission occurs?