An atom in an excited state 1.80 eV above the ground state
Chapter 41, Problem 49(choose chapter or problem)
An atom in an excited state 1.80 eV above the ground state remains in that excited state 2.00 ms before moving to the ground state. Find (a) the frequency and (b) the wavelength of the emitted photon. (c) Find the approximate uncertainty in energy of the photon.
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