1187_Physics ProblemsTechnical Physics

1187_Physics ProblemsTechnical Physics - 528 Atomic Physics...

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528 Atomic Physics P42.28 For a 3 d state, n = 3 and A = 2. Therefore, L =+ = AA = = 16 2 5 8 1 0 34 af . J s m A can have the values –2, –1, 0, 1, and 2 so L z can have the values and −− 20 2 == = = ,, , . Using the relation cos θ = L L z we find the possible values of 145 114 90 0 65 9 35 3 °° ° ° ° . , . , . and . P42.29 (a) Density of a proton: ρ π == × × m V 167 10 100 10 399 10 27 15 3 17 . . . kg 43 m kg m 3 bg ej . (b) Size of model electron: r m = F H G I K J = × × F H G G I K J J 3 4 3 9 11 10 4 3 99 10 817 10 13 31 17 17 πρ . . . kg kg m m 3 . (c) Moment of inertia: Im r == × × = × 2 5 2 5 9 11 10 8 17 10 2 43 10 23 11 7 2 63 .. . kg m kg m 2 e j LI Iv r z = ω = 2 . Therefore, v r I ×⋅× ×× = 2 6626 10 222 4 31 0 177 10 34 17 63 12 . . Js m kg m ms 2 e j . (d) This is 591 10 3 . × times larger than the speed of light. P42.30 In the N shell, n = 4 . For n = 4 , A can take on values of 0, 1, 2, and 3. For each value of
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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 .

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