原子物理 知到智慧樹(shù)網(wǎng)課答案

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