An atom in a 3d state emits a photon of wavelength 475.082 nm when it decays...

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Physics

An atom in a 3d state emits a photon of wavelength 475.082 nmwhen it decays to a 2p state. (a) What is the energy (in electronvolts) of the photon emitted in this transition? (b) Use theselection rules described in Section 41.4 to find the allowedtransitions if the atom is now in an external magnetic field of3.500 T. Ignore the effects of the electron’s spin. (c) For thecase in part (b), if the energy of the 3d state was originally8.50000 eV with no magnetic field present, what will be theenergies of the states into which it splits in the magnetic field?(d) What are the allowed wavelengths of the light emitted duringtransition in part (b)?

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