第十二章 量子物理基础The twelfth chapter is based on quantum physicsWord文档格式.docx
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第十二章 量子物理基础The twelfth chapter is based on quantum physicsWord文档格式.docx
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(B)anobjectthatdoesnotreflectanylight
(C)anobjectthatdoesnotreflectvisiblelight
(D)anobjectthatdoesnotradiatelight
Theredlimitofthephotoelectriceffectof2.metalsdependson:
(A)thefrequencyofincidentlight
(B)theintensityofincidentlight
(C)theescapeworkofmetals;
(D)thefrequencyofincidentlightandtheescapeworkofmetals
3.aboutthephotoelectriceffect,therearethefollowingstatement:
(1)anyvisiblelightatanywavelengthcanproduceaphotoelectriceffectonanymetalsurface;
(2)iftheincidentlightfrequencyisgreaterthanagivenmetalredlimit,themaximumkineticenergyofthephotoelectronisalsodifferentwhenthemetalisirradiatedbydifferentfrequenciesandequalintensitylight;
(3)iftheincidentlightfrequencyisgreaterthanagivenmetalredlimit,thephotoelectronnumberofthemetalwillbeequalwhenthelightisirradiatedbythelightwithdifferentfrequenciesandintensity;
(4)iftheincidentlightfrequencyisgreaterthantheredlimitofagivenmetal,thesaturationphotocurrentofthemetalwillbedoubledwhentheincidentfrequencyisunchangedandtheintensityisdoubled
Amongthem,thecorrectis:
(A)
(1),
(2),(3);
(B)
(2),(3),(4);
(C)
(2),(3);
(D)
(2),(4);
4.aphotonenergyisequaltoanelectronicstaticenergyofthephotonwavelength?
=_____________,momentump=____________,thequalityofm=____________.
Theworkfunctionof5.knownKis2.0eV,ifthewavelengthis3.60x10-7mlightirradiationinK,thenthephotoelectriceffectcheckvoltagetheabsolutevalueofUa=__________________fromthesurfaceoftheelectronemissionofpotassiummaximumspeedofVmax=_____________.(h=6.63*10-34Js1eV=1.6*10-19J,me=9.11*10-31kg)
6.ofawavelengthofXbylightscatteringmaterial,twokindsofwavelengthandwavelengthofthe_______________containscomponentsofthescatteredlight,whichiscalledtheComptonscatteringcomponent__________scattering.
7.Comptonscattering,whenthephotonphotondirectionangle?
=_________,mostlightfrequenciesdecrease;
when=__________?
Whenthefrequencyoflightremainsunchanged.
8.whatisthecontentofPlanck'
squantumhypothesis?
9.theremovalofanelectronfromaluminumrequires4.2eVofenergy,andnow2000ofthelightisprojectedontothesurfaceofthealuminum:
(1)whatisthemaximumkineticenergyofphotoelectronemittedfromthis?
(2)tocurbthepotentialformuch?
(3)whatisthecut-offwavelengthofaluminum?
10.wavelengthlightirradiationfor3500ofametalsurface,selectcertainstoppingvoltagecanpreventlightcurrent,whenthevariationoflightwavelengthis500,thephotocurrentiscompletelystopped,stoppingvoltagemustbeincreasedifh=6.63*10-34Js0.59V,knownforelectronicpower,e.
Quantumtheoryofthe12-2atom
(1)
1..Theenergyrequiredtoexciteahydrogenatomfromthegroundstatetoacertainstateis10.19eV.Ifthehydrogenatomjumpsfromtheenergy-0.85eVstatetotheabovestationarystate,theenergyoftheemittedphotonis:
(A)2.56eV(B),3.41eV(C),4.25eV(D),9.95eV
2.inagasdischargetube,theenergy12.1eVelectronsareusedtobombardthehydrogenatominthegroundstate,whentheenergyofthephotonemittedbythehydrogenatomcanonlybe:
(A)12.1eV
(B)10.2eV
(C)12.1eV,10.2eV,and1.9eV
(D)12.1eV,10.2eV,and3.4eV
3.itisknownthatelectronsinthegroundstateofhydrogenatomsareionizedbyillumination,
Thelongwavelengthlightisavailable913UV,thenhydrogenatomsfromtheLymanlinespectraofeachexcitedstatetransitiontothegroundstateofthewavelengthcanbeexpressedas:
(a)
(A)
(B)
(C)
(D)
4.,thereareseveralunderstandingsaboutuncertainty(uncertainty)relationship:
(1)itisimpossibletodeterminethemomentumofaparticle
(2)thecoordinatesofparticlescannotbedetermined
(3)themomentumandcoordinateofaparticlecannotbedeterminedsimultaneously
(4)theuncertaintyrelationappliesnotonlytoelectronsandphotons,buttootherparticlesaswell
(A)
(1),
(2);
(B)
(2),(4);
(C)(3),(4);
(D)(4),
(1);
5.ifthewavelengthofphotonsisequaltothatofelectrons,theyare:
(A)momentumandtotalenergyareequal(B),momentumandtotalenergyarenotequal
(C)momentumequal,totalenergyunequal(D),momentumnotequal,totalenergyequal
6.alargenumberofhydrogenatomsinexcitedstateofn=5,whentheytransitiontolowenergystate,canproduce___aseriesoflines,mostcanbeobserved______spectrallines,oneofthelongestwavelengthistheshortestwavelengthformax=______?
?
min=________,thelinesin_____belongtoPakistan,theend.
The7.hydrogenatomsoftheelectronsinn=3orbit,theionizationenergyisequalto_______eV;
whenitfromtheexcitedstatetransitionofn=3tothegroundstate,theemissionwavelengthis___________;
eachoftheemittedphotonenergyis___________eV.
8.accordingtoBohrtheory,hydrogenatomelectronmotioninthefirstandthirdtrackonthemomentumratioofL1:
L3=___________,theratioofv1:
v2=__________________.rate
9.whatarethebasicassumptionsofBohr'
stheory?
10.inthesystemofhydrogeninthegroundstatewherehydrogenatomsareexcitedbyexternalmonochromaticlight,onlytwolinesareobserved,andthewavelengthofthesetwolinesandthefrequencyoftheexternallightaresought
Quantumtheoryofthe12-3atom(two)
Theabsolutevalueofthewavefunctionsquaredis1.?
2isthephysicalmeaningof_______________________________________________,thestandardconditionsofwavefunction,whichisitselfmustbe__________,__________,__________function.Onlysatisfythenormalizationconditionis_____________________.
2.accordingtothequantummechanicstheory,thestatesoftheouterelectronsofthenucleusaredeterminedbyfourquantumnumbers,andthenames,thephysicalmeaningsandtherangesofthefourquantumnumbersarerespectivelystated:
(1)_________________________________________________________________
(2)_________________________________________________________________
(3)_________________________________________________________________
(4)_________________________________________________________________
3.whenthemainquantumnumberisn=3,thepossiblevaluesofLandmlare:
L=_________,ml=________________________
Ms=________n=3isa___________,correspondingtothestate.
ThestationarySchrodingerequationfor4.dimensionalparticle______________________________.
5.completelydescribingthestateofmotionofmicroscopicparticlesis:
(A)Schrodingerequation
(B)uncertaintyrelation
(C)wavefunction
(D)energy
6.,thelawofmotionofmicroscopicparticlesisfullydescribedasfollows:
(A)wavefunction
(C)Schrodingerequation
(D)energylevels
7.theknownparticlesmoveinaone-dimensionalrectangularinfinitepotentialwell,whosewavefunctionsare:
W(x)=(1/)cos[3-x/(2a)](-a=x=a)
Thentheprobabilitydensityofparticlesappearingatx=5a/6is:
(A)1/(2a)(B),1/a(C),1/a(D),1/
8.thePauliexclusionprincipleandtheminimumenergyprinciple.
9.abeamofchargedparticlesbytheacceleratingpotentialof206volts,measuredtheDeBrogliewavelengthis0.02,theparticlechargedknownchargedamountandchargeequaltothequalityoftheparticles.
10.,thestationarywavefunctionofaparticleinaone-dimensionalinfinitepotentialwellisn(x)=/asin[(n,x)/a],andtheprobabilityoffindingtheparticlebetweenx=0andx=a/3isfoundwhen
(1)theparticleisinthegroundstate,and
(2)theparticleisinthestateofn=2
Onehundredandtwenty-three
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