494 Quantum Mechanics(b)When the electron falls from state 2 to state 1, it puts out energyEhfhc=−===15137 7113eVeVeV.λinto emitting a photon of wavelength×⋅××=−−hcE6 626 10101131 60 1011 034819...J s 3.00m seVJ eVnmejejaf.The wavelengths of the other spectral lines we find similarly:Transition43→42→41→32→31→21→EeV264452565188302113nm4.712.752.206.604.1211.0P41.6=2Dfor the lowest energy stateKpmhmhmDphhD==×⋅××=×=== =×⋅−−−−−−−2222234227142143414202286626 108 4 1 66 101 00 10827 1005172331 10.....JskgmJ MeV.00 10mkg m sejP41.7∆EhchmLheeFHGIKJ−=222222838Lhmce×=−38793 10079310m nmP41.8∆EhchhFHGIKJ2222838soLhe=38P41.9The confined proton can be described in the same way as a standingwave on a string. At level 1, the node-to-node distance of the standing
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .