1139_Physics ProblemsTechnical Physics

1139_Physics ProblemsTechnical Physics - 480 Introduction...

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480 Introduction to Quantum Physics v d dk d dk dE dp d dp mc pc vm c p c p c vc mv c vv c c c c c vcv v c v g g g == + =+ + = + = + = −+ = +− = ωω γ = = 24 22 12 2 222 2 2 2 2 2 2 2 2 1 2 02 1 1 1 1 ej e j e j It is this speed at which mass, energy, and momentum are transported. Section 40.7 The Double-Slit Experiment Revisited P40.45 (a) λ ×⋅ × h mv 6626 10 167 10 0400 992 10 34 27 7 . .. . Js kg m s m bg (b) For destructive interference in a multiple-slit experiment, dm sin θλ F H G I K J 1 2 , with m = 0 for the first minimum. Then, θ = F H G I K J sin . 1 2 00284 d so y L = tan yL ° = tan . tan . . 10 0 0 028 4 4 96 m m m af . (c) We cannot say the neutron passed through one slit. We can only say it passed through the slits. P40.46 Consider the first bright band away from the center: sin = 600 10 200 1 1 20 10 81 1 0 .s i n t a n . . × L N M O Q P F H G I K J ==× −− m = h e so h e = and Km v m h m eV e e e e 1 2 2 2 2 V h em e = 2 2 2 V = ×× × = 2 1 60 10 9 11 10 1 20 10 105 34 2 19 31 10 2 . . C k g m V e j e j
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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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