INTERMED MODRN PHYSC
INTERMED MODRN PHYSC PHY 3101
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This 15 page Class Notes was uploaded by Garett Kovacek on Thursday September 17, 2015. The Class Notes belongs to PHY 3101 at Florida State University taught by Staff in Fall. Since its upload, it has received 61 views. For similar materials see /class/205527/phy-3101-florida-state-university in Physics 2 at Florida State University.
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Date Created: 09/17/15
The Dawn of Modern Physics 2 Topics 0 In Search of The Ae rher39 o Lor39en rz and Fi rzger39ald 0 Summary In Search of The Ae rher39 Michelson39s clever39 idea Speed of wafer r39ela rive To bank V ms A Speed of swimmers A r39ela rive To wafer C ms One swimmer is bound To win In Search of The Ae rher39 Swimmer 1 Swimmer 2 gtLA39gtA A View r39ela rive Aer A To wa rer39 In Search of The Ae rher39 Swimmer 1 2 2 2 ctl 1 vtl I Swimmer 2 Ctz I Vtz 39 ct3 1 W3 I lt gt Z In Search of The AeTher39 Swimmer 1 2 ToTaI Time T1 2t1 02 V2 Swimmer 2 Z Z ToTaI Time T2 2 2 2 l 3 C v Cv gt lt In Search of The Ae rher39 Michelson Experimen r 1881 mirm rs ha manor interfere m pattern MichelsonMorley Experimen r 1887 httperwinphvsvirqiniaeduClasses1OQIecturesmichelsonhtm In Search of The Ae rher39 Ligh r pa rh 1 T1 216 V2 1 7 C Ligh r pa rh 2 T2 21 j c In Search of The Ae rher39 The Time difference be rween The Two ligh r pa rhs is 21 2 Aha T170 7 1 where 7 2 V 1 7 C In Search of The AeTher39 The inTer39pr39eTaTion of These r39esulTs is ThaT There is no displacemenT of The inTer39fer39ence bands The r39esulT of The hypoThesis of a sTaTionar39y aeTher39 is Thus shown To be incorrectquot A A Michelson Am J Sci 122 120 1881 bu r Michelson39s resul rs were regarded even by Michelson os curious puzzles Tho r would soon be resolved There is no rhing new To be discovered in physics now All Tha r remains is more and more precise measurementquot Lord Kelvin 1900 Lor39en rz and Fi rzger39ald Lor39en rz 18531928 Fi rzger39ald 18511901 httpwwwhistorvmosstandacukhistorvMathematicians Their39 Solu rion The Time for39 ligh r pa rh 1 is 21 z 7 C 21 can be made equal To T2 72 C if for39 pa rh 2 The pa rh leng rh shrinks by l gtL 7 Summary 0 Michelson and Mor39ley failed To deTecT The moTion of The Ear39Th Through The aeTher39 0 Their39 conclusion The aeTher39 could noT be sTaTionar39y BuT This implied ThaT The aeTher39 moves along wiTh The Ear39Th an hypoThesis ThaT was shown To be unTenabIe o Lor39enTz and laTer39 Finger39ald suggesTed ThaT objecTs conTr39acT along The dir39ecTion of moTion in such a way as To make AT O
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