第十二章 量子物理基础The twelfth chapter is based on quantum physicsWord文档格式.docx

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