原子物理 知到智慧树网课答案

原子物理-知到答案、智慧树答案第一章单元测试1、问题：Theenergyscaleofatomis().选项：B:GeVC:eVD:MeV答案:【eV】2、问题：Thedensityscaleofatomis()选项：A:1010g/cm3B:1g/cm3C:1015g/cm3D:102g/cm3答案:【1g/cm3】3、问题：WhodidproposethatthematterwasindivisibleinancientGreece?()选项：A:PlatoB:AristotleC:DemocracyD:Archimedes答案:【Democracy】4、问题：WhodidfirstlyshowthePeriodictable?()选项：A:MendeleevC:ProustD:Faraday答案:【Mendeleev】5、问题：Howmanyelementsarediscoveredupto2019?()选项：答案:【】6、问题：WhatwasfoundbyRoentgenin1895?()选项：A:ProtonB:neutronC:XrayD:Electron答案:【Xray】7、问题：Thelawofblack-bodyradiationwasgivenin1900by()?选项：A:PlankB:BoltzmannC:RutherfordD:Bohr答案:【Plank】8、问题：WhichmodelcanexactlysolvetheHydrogensystem?()选项：A:BohrmodelB:SchrodingerequationC:RutherfordmodelD:Diracequation答案:【Diracequation】9、问题：Whichfieldisnotrelatedtoatomicphysics?()选项：A:PlasmaphysicsB:AstrophysicsC:LiteratureD:Environment答案:【Literature】10、问题：WhodidnotjointheSolvayconferenceheldin1927?()选项：A:EinsteinB:PauliC:FermiD:Schrodinger答案:【Einstein】第二章单元测试1、问题：StatethemassofAvogadro’snumberofatomsforCopper().选项：A:127.10gB:63.55kgC:23.22gD:63.55g答案:【63.55g】2、问题：Themassofasingleironatomis9.3×10–23g.Determinethenumberifironatomsinregularcubethatmeasuresexactly10cmonanedge.Thedensityofironis7.86g/cm3()选项：A:3.5×1025B:8.5×1025C:7.5×1024D:4.2×1026答案:【8.5×1025】3、问题：Themassofaprotonis()选项：B:1.673×10-24gC:3.344×10-27kgD:10.07u答案:【1.673×10-24g】4、问题：InRutherfordatomicmodelalphaparticleswerestrokedon()选项：A:titaniumB:aluminumC:silverD:gold答案:【gold】5、问题：Foraluminum(Z2=13)andgold(Z2=79)targets,whatistheratioofαparticlescatteringatanyangleforequalnumbersofscatteringnucleiperunitarea?()选项：A:134.5B:0.03C:36.93D:1.47答案:【36.93】6、问题：Foran8.0-MeVαparticlescatteringfromagoldatom(Z=79)ofradius0.135nm,thelargestscatteringangle,θis?()选项：A:B:C:D:答案:【】7、问题：Accordingtostructureofatomelectronshouldfallin()?选项：A:nucleusB:outerenvironmentC:shellD:space答案:【nucleus】8、问题：WhichofthefollowingisnotavalidconclusionfromRutherford’salphaparticlescatteringexperiment?()选项：A:TheatomismainlyemptyspaceB:ThenucleusmustbepositivelychargedC:ThenucleusmustbeverysmallcomparedtotheatomD:Themassoftheatomismostlyconcentratedinthenucleus答案:【Thenucleusmustbepositivelycharged】9、问题：A5.0-MeValphaparticleapproachesagoldnucleuswithanimpactparameterof2.6×10-13m.Throughwhatanglewillitbescattered?()选项：A:10°B:PlasmaphysicsC:AstrophysicsD:Environment答案:【10°】10、问题：Whatfractionofabeamof7.7-MeValphaparticlesincidentuponagoldfoil3.0×10-7mthickisscatteredbylessthan1°?()选项：A:1.35B:0.67C:0.05D:0.84答案:【0.84】第三章单元测试1、问题：Whenanelectronjumpsfromitsorbittoanotherorbit,energyis().选项：A:absorbedB:emittedC:noeffectD:both答案:【both】2、问题：Whatdeterminesthedifferenceinenergybetweentwoenergylevels?()选项：A:distancebetweenthetwoenergylevelsB:numberofelectronsintheenergylevelsC:distancefromthenucleusD:numberofvalenceelectrons答案:【distancebetweenthetwoenergylevels】3、问题：AccordingtoBohrmodelofhydrogenatom,theradiusofstationaryobitcharacterizedbytheprincipalquantumnumbernisproportional()选项：A:n2B:nC:1/nD:1/n2答案:【n2】4、问题：Inhydrogenatomtheangularmomentumoftheelectroninthelowestenergystate()选项：A:2hB:2p/hC:h/2pD:h/p答案:【h/2p】5、问题：Theratioofthespeedoftheelectroninthegroundstateofhydrogenatomtothespeedoflightis()选项：A:2/137B:1/237C:1/2D:1/137答案:【1/137】6、问题：Iftheelectroninhydrogenatomjumpsfromthethirdorbittosecondorbit,thewavelengthofthemittedradiationisgivenby()选项：A:36/5RB:5/RC:5R/36D:R/6答案:【36/5R】7、问题：Aprotonandanelectron,bothatrestinitially,combinetoformahydrogenatominthegroundstate.Asinglephotonisemit-tedinthisprocess.Whatisitswavelength?()选项：A:91.2nmB:15mmC:49fmD:357nm答案:【91.2nm】8、问题：Abeamofelectronsbombardsasampleofhydrogen.ThroughwhatpotentialdifferencemusttheelectronshavebeenacceleratedifthefirstlineoftheBalmerseriesistobeemitted?()选项：A:569.3VB:35.7VC:0.6VD:12.1V答案:【12.1V】9、问题：ThelongestwavelengthintheLymanseriesis121.5nmandtheshortestwavelengthintheBalmerseriesis364.6nm.Findthelongestwavelengthoflightthatcouldionizehydrogen.()选项：A:49.4fmB:91.13nmC:74.5mmD:8.3nm答案:【91.13nm】10、问题：WhatistheshortestwavelengthpresentintheBrackettseriesofspectrallines?()选项：A:569.34nmB:327.89nmC:1.46mmD:91.13nm答案:【1.46mm】第四章单元测试1、问题：Theenergyquantaofanatomicoscillatorthatemitsandabsorbsorangelightwhosefrequencyis5.00×1014Hzis.().选项：A:7.13eVB:12.89eVC:3.89×10-19JD:2.08eV答案:【2.08eV】2、问题：Ultravioletlightofwavelength350nmandintensity1.00W/m2isdirectedatapotassiumsurface.Themaximumkineticenergyofthephotoelectronsis()选项：A:17.6eVB:4.42×10-19JC:3.5eVD:6.9eV答案:【3.5eV】3、问题：Ametalsurfaceilluminatedby8.5×1014Hzlightemitselectronswhosemaximumenergyis0.52eV.Thesamesurfaceilluminatedby12.0×1014Hzlightemitselectronswhosemaximumenergyis1.97e选项：A:3.0eVB:12.4eVC:47.5eVD:7.2eV答案:【3.0eV】4、问题：ThedeBrogliewavelengthsofa46ggolfballwithavelocityof30m/sis()选项：A:3.7×10-24fmB:3.7×10-24C:4.8×10-24nmD:4.8×10-34m答案:【4.8×10-34m】5、问题：ThekineticenergyofaprotonwhosedeBrogliewavelengthis1.0fmis()选项：A:938MeVB:617MeVC:1.555GeVD:347MeV答案:【617MeV】6、问题：TheexperimentthatconfirmstheexistenceofdeBrogliewavesis()选项：A:Geiger-MarsdenexperimentB:Davisson-GermerexperimentC:J.J.ThomsonExperimentD:Millikanexperiment答案:【Davisson-Germerexperiment】7、问题：Ameasurementestablishesthepositionofaprotonwithanaccuracyof1.00í10-11m.Theuncertaintyintheproton’sposition1.00slateris()选项：A:3.15kmB:578nmC:93.6mmD:4.26m答案:【3.15km】8、问题：TheexpectationvalueofthepositionofaparticletrappedinaboxLwideofinfinitewellis()选项：A:LB:0C:L/2D:L2/4答案:【L/2】9、问题：Theaveragevalueof1/rfora1selectroninthehydrogenatomis()选项：A:2/a0B:4a0C:9a0D:1/a0答案:【9a0】10、问题：选项：A:0.0251B:0.0251a2C:aD:a2答案:【0.0251a2】第五章单元测试1、问题：Anelectronwhoseorbitalquantumnumberis2hasthelengthofangularmomentum().选项：A:2.6×10-34J·sB:2.08eVC:4D:2h答案:【2.6×10-34J·s】2、问题：Forahydrogenatominthe6fstate,theminimumanglebetweentheorbitalangularmomentumvectorandthezaxisis()选项：A:60OB:30OC:90OD:45O答案:【30O】3、问题：选项：A:7.40×10-23JB:2.32×10-4eVC:1.16×10-4eVD:9.12×10-24J答案:【2.32×10-4eV】4、问题：AnexperimenterwantstoseparatesilveratomsinaStern-Gerlachexperimentbyatleast1cm(alargeseparation)astheyexitthemagneticfield.Toheatthesilver,shehasanoventhatcanreach1000°Candneedstoorderasuitablemagnet.Whatshouldbethemagne()选项：A:57T·mB:24T·mC:39T·mD:75T·m答案:【57T·m】5、问题：TheLandefactorof2S1/2is()选项：A:1B:0.67C:3D:2答案:【2】6、问题：Anenergydifferenceof4×10-3eVforthe3psubshellofsodiumaccountsforthehowmanysplittingofaspectrallineat589.3nmis()选项：A:1.2nmB:1.1nmC:1.8nmD:0.6nm答案:【1.2nm】7、问题：TheBohrmagnetonis()选项：A:9.27×10-24eV/TB:9.27×10-24J/TC:9.27×10-23J/KD:9.27×10-25J/T答案:【9.27×10-24J/T】8、问题：Asampleofacertainelementisplacedina0.300Tmagneticfieldandsuitablyexcited.HowfarapartaretheZeemancomponentsofthe450nmspectrallineofthiselement?()选项：A:1.45nmB:3.72fmC:2.83pmD:6.94nm答案:【2.83pm】9、问题：InanomalousZeemaneffect,alevelofgive,s,l,jsplitsinto()选项：A:2s+1levelsB:2l+1levelsC:0or2j+1levelsD:2j+1levels答案:【0or2j+1levels】10、问题：Anatomwiththestates2G9/2and2H11/2isplacedinaweakmagneticfield.Howmanytransitionscanbeobserved?()选项：A:20B:35C:12D:30答案:【30】第六章单元测试1、问题：Thetotalspinoftwoelectronsis().选项：A:1/2B:1C:1or0D:0答案:【1/2】2、问题：Themaximumvalueoftotalangularmomentumforelectronwithl=4()选项：A:3.5B:4C:0D:4.5答案:【4.5】3、问题：ThenumberofvaluesallowedtototalangularmomentumjinHeliumatomforagivennon-zerolare()选项：A:2B:0C:1D:3答案:【3】4、问题：The3sstateofNahasanenergyof-5.14eV.Itseffectivenuclearchargeis()选项：A:5eB:1eC:1.14e答案:【1.14e】5、问题：Thegroundstateofcarbonis()选项：A:3P2B:3S1C:3P0D:1D2答案:【3P0】6、问题：Asystemofelectronsisdescribedbyawavefunctionshouldbe()选项：A:trialB:norequirementC:symmetricD:anti-symmetric答案:【anti-symmetric】7、问题：TheelectronconfigurationofNeonis()选项：A:1s22s22p5B:1s22s22p4C:1s22s22p6D:1s22s22p63s答案:【1s22s22p6】8、问题：选项：A:5B:20C:10D:15答案:【20】9、问题：Whatatomshavetheconfiguration1s22s22p63s2()选项：A:MgB:NaC:AlD:Si答案:【Mg】10、问题：HowmanyelectronscanbecontainedinMshell()选项：A:20B:18C:8D:2答案:【18】第七章单元测试1、问题：WhodiscoveredtheXray().选项：A:RontgenB:NobelC:EinsteinD:Bohr答案:【Rontgen】2、问题：Ifwehaveatungstenanode(workfunctionf=4.63eV)andelectronaccelerationvoltageof35kV,whatistheminimumwavelengthofthexrays?()选项：A:4.58fmB:3.12pmC:0.0354nmD:3.89nm答案:【3.12pm】3、问题：ThecontinuumspectrumofXraycomesfrom()选项：A:PairproductionB:PhotoelectriceffectC:AugerelectronD:Bremsstrahlung答案:【Bremsstrahlung】4、问题：Aphotonhaving40keVscattersfromafreeelectronatrest.Whatisthemaximumenergythattheelectroncanobtain?()选项：A:1.73eVB:5.41eVC:7.95eVD:4.32eV答案:【5.41eV】5、问题：Aphotonofwavelength2.0nmCompton-scattersfromanelectronatanangleof90°.Whatisthemodifiedwavelength?()选项：A:5.56730nmB:7.67945nmC:2.00243nmD:9.45891nm答案:【2.00243nm】6、问题：Themomentumofphotonscorrespondingtotheminimumwavelengthemittedfromx-raytubewhoseoperatingvoltageis120kVis()选项：A:5.225X10-23N·mB:4.783X10-14N·mC:4.175X10-24N·mD:6.396X10-23N·m答案:【6.396X10-23N·m】7、问题：AnX-raytubeoperatesat100kV.Themaximumspeedofelectronsstrikingtheanticathodeis()选项：A:1.19X108m/sB:0.84X108m/sC:1.33X108m/sD:1.88X108m/s答案:【1.88X108m/s】8、问题：选项：A:92.6pmB:43.6pmC:14.3pmD:18.6pm答案:【18.6pm】9、问题：Whentheatomicnumberoftheanticathodeis79,thefrequencyofKalineis()选项：A:2.24X1019s-1B:9.21X1019s-1C:1.50X1019s-1D:4.57X1018s-1答案:【2.24X1019s-1】10、问题：InZntheionizationenergyofKshellis9.659KeVandLshell1.021KeV.ThekineticenergyoftheAugerelectronemittedfromtheLshellis()选项：A:4.579KeVB:7.62KeVC:1.02KeVD:8.638KeV答案:【7.62KeV】第八章单元测试1、问题：Liquidhelium(atomicweight4.003)hasadensityr=0.13g/cm3.EstimatetheradiusofaHeatom,assumingthattheatomsarepackedinthedensestpossibleconfiguration,whichfills74%ofthespace.()选项：A:1.3nmB:0.5nmC:134.7nmD:20.8nm答案:【20.8nm】2、问题：Throughwhatangleisa4MeVaparticlescatteredwhenitapproachesagoldnucleuswithaimpactparameterof2.6X10-13m?()选项：A:12.49oB:24.98oC:6.25oD:49.96o答案:【12.