第十二章 量子物理基础The twelfth chapter is based on quantum physics.docx

第十二章 量子物理基础The twelfth chapter is based on quantum physics.docx

《第十二章 量子物理基础The twelfth chapter is based on quantum physics.docx》由会员分享，可在线阅读，更多相关《第十二章 量子物理基础The twelfth chapter is based on quantum physics.docx（5页珍藏版）》请在冰豆网上搜索。

第十二章量子物理基础Thetwelfthchapterisbasedonquantumphysics

第十二章量子物理基础（Thetwelfthchapterisbasedonquantumphysics）

Avegetariandietisnotmuddygas;Godisnottosleepaloneintheheartdoesnotsitturbidity;turbidity;turbidityinreading.-ZhengGuofan

Theclassname___________number_________________

Thequantumofthe12-1light

1.whichofthefollowingobjectsisanabsoluteblackbody?

（）

（A）anobjectthatdoesnotradiateanylight

（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.

Theclassname___________number_________________

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

Amongthem,thecorrectis:

（）

（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?

Avegetariandietisnotmuddygas;Godisnottosleepaloneintheheartdoesnotsitturbidity;turbidity;turbidityinreading.-ZhengGuofan

10.inthesystemofhydrogeninthegroundstatewherehydrogenatomsareexcitedbyexternalmonochromaticlight,onlytwolinesareobserved,andthewavelengthofthesetwolinesandthefrequencyoftheexternallightaresought

Theclassname___________number_________________

Quantumtheoryofthe12-3atom（two）

Theabsolutevalueofthewavefunctionsquaredis1.?

?

2isthephysicalmeaningof_______________________________________________,thestandardconditionsofwavefunction,whichisitselfmustbe__________,__________,__________function.Onlysatisfythenormalizationconditionis_____________________.

2.accordingtothequantummechanicstheory,thestatesoftheouterelectronsofthenucleusaredeterminedbyfourquantumnumbers,andthenames,thephysicalmeaningsandtherangesofthefourquantumnumbersarerespectivelystated:

（1）_________________________________________________________________

（2）_________________________________________________________________

（3）_________________________________________________________________

（4）_________________________________________________________________

3.whenthemainquantumnumberisn=3,thepossiblevaluesofLandmlare:

L=_________,ml=________________________

L=_________,ml=________________________

L=_________,ml=________________________

Ms=________n=3isa___________,correspondingtothestate.

ThestationarySchrodingerequationfor4.dimensionalparticle______________________________.

5.completelydescribingthestateofmotionofmicroscopicparticlesis:

（）

（A）Schrodingerequation

（B）uncertaintyrelation

（C）wavefunction

（D）energy

6.,thelawofmotionofmicroscopicparticlesisfullydescribedasfollows:

（）

（A）wavefunction

（B）uncertaintyrelation

（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

Avegetariandietisnotmuddygas;Godisnottosleepaloneintheheartdoesnotsitturbidity;turbidity;turbidityinreading.-ZhengGuofan