原子物理智慧樹知到答案章節(jié)測試2023年南開大學(xué)

第一章測試Theenergyscaleofatomis(

).

A:MeV

B:

eV

C:

GeV

D:

TeV

答案:BThedensityscaleofatomis(

)

A:

B:

C:

D:

答案:AWhodidproposethatthematterwasindivisibleinancientGreece?(

)

A:Plato

B:Democracy

C:Aristotle

D:Archimedes

答案:B

WhodidfirstlyshowthePeriodictable?

(

)

A:Avogadro

B:Faraday

C:Mendeleev

D:Proust

答案:C

Howmanyelementsarediscoveredupto2019?(

)

A:115

B:112

C:117

D:118

答案:DWhatwasfoundbyRoentgenin1895?(

)

A:neutron

B:Xray

C:Proton

D:Electron

答案:BThelawofblack-bodyradiationwasgivenin1900by(

)?

A:Rutherford

B:Bohr

C:Plank

D:Boltzmann

答案:CWhichmodelcanexactlysolvetheHydrogensystem?(

)

A:Schrodingerequation

B:Bohrmodel

C:Rutherfordmodel

D:Diracequation

答案:DWhichfieldisnotrelatedtoatomicphysics?(

)

A:Literature

B:Astrophysics

C:Plasmaphysics

D:Environment

答案:A

WhodidnotjointheSolvayconferenceheldin1927?(

)

A:Pauli

B:Schrodinger

C:Einstein

D:Fermi

答案:D第二章測試StatethemassofAvogadro’snumberofatomsforCopper(

).

A:63.55kg

B:63.55g

C:127.10g

D:23.22g

答案:BA:

B:

C:

D:

答案:AThemassofaprotonis(

)

A:

B:

C:

D:

答案:CInRutherfordatomicmodelalphaparticleswerestrokedon

(

)

A:gold

B:titanium

C:aluminum

D:silver

答案:AForaluminum(Z

=13)andgold(Z

=79)targets,whatistheratioofαparticlescatteringatanyangleforequalnumbersofscatteringnucleiperunitarea?(

)

A:1.47

B:134.5

C:0.03

D:36.93

答案:DForan8.0MeVαparticlescatteringfromagoldatom(Z=79)ofradius0.135nm,thelargestscatteringangle,θis?(

)

A:

B:

C:

D:

答案:CAccordingtostructureofatomelectronshouldfallin(

)?

A:nucleus

B:outerenvironment

C:space

D:shell

答案:AWhichofthefollowingisnotavalidconclusionfromRutherford’salphaparticlescatteringexperiment?(

)

A:Thenucleusmustbeverysmallcomparedtotheatom

B:Themassoftheatomismostlyconcentratedinthenucleus

C:Thenucleusmustbepositivelycharged

D:Theatomismainlyemptyspace

答案:CA:10°

B:12°

C:15°

D:

8°

答案:AA:0.67

B:0.05

C:1.35

D:0.84

答案:D第三章測試Whenanelectronjumpsfromitsorbittoanotherorbit,energyis(

).

A:absorbed

B:noeffect

C:both

D:emitted

答案:C

Whatdeterminesthedifferenceinenergybetweentwoenergylevels?(

)

A:numberofelectronsintheenergylevels

B:numberofvalenceelectrons

C:distancebetweenthetwoenergylevels

D:distancefromthenucleus

答案:CAccordingtoBohrmodelofhydrogenatom,theradiusofstationaryobitcharacterizedbytheprincipalquantumnumbernisproportional(

)

A:1/n

B:

C:

D:

n

答案:BInhydrogenatomtheangularmomentumoftheelectroninthelowestenergystate

(

)

A:

B:

C:

D:

答案:CTheratioofthespeedoftheelectroninthegroundstateofhydrogenatomtothespeedoflightis

(

)

A:2/137

B:1/237

C:1/2

D:1/137

答案:DIftheelectroninhydrogenatomjumpsfromthethirdorbittosecondorbit,thewavelengthofthemittedradiationisgivenby(

)

A:5/R

B:R/6

C:5R/36

D:36/5R

答案:DAprotonandanelectron,bothatrestinitially,combinetoformahydrogenatominthegroundstate.Asinglephotonisemittedinthisprocess.Whatisitswavelength?(

)

A:49fm

B:91.2nm

C:15mm

D:357nm

答案:BAbeamofelectronsbombardsasampleofhydrogen.ThroughwhatpotentialdifferencemusttheelectronshavebeenacceleratedifthefirstlineoftheBalmerseriesistobeemitted?(

)

A:12.1V

B:35.7V

C:569.3V

D:0.6V

答案:AThelongestwavelengthintheLymanseriesis121.5nmandtheshortestwavelengthintheBalmerseriesis364.6nm.Findthelongestwavelengthoflightthatcouldionizehydrogen.(

)

A:8.3nm

B:74.5mm

C:49.4fm

D:91.13nm

答案:DWhatistheshortestwavelengthpresentintheBrackettseriesofspectrallines?(

)

A:327.89nm

B:569.34nm

C:1.46mm

D:91.13nm

答案:C第四章測試

A:7.13eV

B:12.89eV

C:2.08eV

D:

答案:CUltravioletlightofwavelength350nmandintensity

isdirectedatapotassiumsurface.Themaximumkineticenergyofthephotoelectronsis(

)

A:3.5eV

B:

C:17.6eV

D:6.9eV

答案:AAmetalsurfaceilluminatedbyHzlightemitselectronswhosemaximumenergyis0.52eV.Thesamesurfaceilluminatedby

Hzlightemitselectronswhosemaximumenergyis1.97eV.Theworkfunctionofthemetalis(

)

A:47.5eV

B:3.0eV

C:12.4eV

D:7.2eV

答案:BThedeBrogliewavelengthsofa46ggolfballwithavelocityof30m/sis(

)

A:

B:

C:

D:

答案:BThekineticenergyofaprotonwhosedeBrogliewavelengthis1.0fmis

(

)

A:347MeV

B:617MeV

C:938MeV

D:1.555GeV

答案:BTheexperimentthatconfirmstheexistenceofdeBrogliewavesis(

)

A:Davisson-Germerexperiment

B:Geiger-Marsdenexperiment

C:Millikanexperiment

D:J.J.ThomsonExperiment

答案:AA:3.15km

B:578nm

C:93.6mm

D:4.26m

答案:ATheexpectationvalueofthepositionofaparticletrappedinaboxLwideofinfinitewellis(

)

A:

L

B:0

C:

D:L/2

答案:DTheaveragevalueof1/rfora1selectroninthehydrogenatomis(

)

A:

B:

C:

D:

答案:DA:

B:

C:

D:

答案:A第五章測試Anelectronwhoseorbitalquantumnumberis2hasthelengthofangularmomentum(

).

A:

B:

C:

D:

答案:BForahydrogenatominthe6fstate,theminimumanglebetweentheorbitalangularmomentumvectorandthezaxisis(

)

A:

B:

C:

D:

答案:DA:

B:

C:

D:

答案:CAnexperimenterwantstoseparatesilveratomsinaStern-Gerlachexperimentbyatleast1cm(alargeseparation)astheyexitthemagneticfield.Toheatthesilver,shehasanoventhatcanreach1000°Candneedstoorderasuitablemagnet.Whatshouldbethemagnetspecifications?(

)

A:57T·m

B:39T·m

C:75T·m

D:24T·m

答案:ATheLandefactorof

is(

)

A:0.67

B:3

C:2

D:1

答案:CA:0.6nm

B:1.8nm

C:1.2nm

D:1.1nm

答案:CTheBohrmagnetonis(

)

A:

B:

C:

D:

答案:AAsampleofacertainelementisplacedina0.300Tmagneticfieldandsuitablyexcited.HowfarapartaretheZeemancomponentsofthe450nmspectrallineofthiselement?

(

)

A:6.94nm

B:3.72fm

C:1.45nm

D:2.83pm

答案:DInanomalousZeemaneffect,alevelofgive,s,l,jsplitsinto(

)

A:2s+1levels

B:2l+1levels

C:2j+1levels

D:0or2j+1levels

答案:DAnatomwiththestatesisplacedinaweakmagneticfield.Howmanytransitionscanbeobserved?(

)

A:30

B:20

C:35

D:12

答案:A第六章測試Thetotalspinoftwoelectronsis(

).

A:1/2

B:0

C:1

D:1or0

答案:DThemaximumvalueoftotalangularmomentumforelectronwithl=4(

)

A:3.5

B:4

C:4.5

D:0

答案:CThenumberofvaluesallowedtototalangularmomentumjinHeliumatomforagivennon-zerolare

(

)

A:2

B:0

C:1

D:3

答案:DThe3sstateofNahasanenergyof-5.14eV.Itseffectivenuclearchargeis(

)

A:5e

B:1.14e

C:1e

D:11e

答案:BThegroundstateofcarbonis(

)

A:

B:

C:

D:

答案:C

Asystemofelectronsisdescribedbyawavefunctionshouldbe(

)

A:anti-symmetric

B:trial

C:norequirement

D:symmetric

答案:ATheelectronconfigurationofNeonis

(

)

A:

B:

C:

D:

答案:CA:20

B:10

C:15

D:5

答案:AWhatatomshavetheconfiguration(

)

A:Na

B:Mg

C:

Si

D:

Al

答案:BHowmanyelectronscanbecontainedinMshell(

)

A:18

B:20

C:2

D:8

答案:A第七章測試WhodiscoveredtheXray(

).

A:Rontgen

B:Einstein

C:Nobel

D:Bohr

答案:AIfwehaveatungstenanode(workfunction

f=4.63eV)andelectron

accelerationvoltageof35kV,whatistheminimumwavelengthofthexrays?(

)

A:4.58fm

B:3.12pm

C:3.89nm

D:

0.0354nm

答案:BThecontinuumspectrumofXraycomesfrom

(

)

A:Pairproduction

B:Photoelectriceffect

C:Augerelectron

D:Bremsstrahlung

答案:DAphotonhaving40keVscattersfromafreeelectronatrest.Whatisthemaximumenergythattheelectroncanobtain?(

)

A:5.41eV

B:

4.32eV

C:7.95eV

D:1.73eV

答案:AAphotonofwavelength2.0nmCompton-scattersfromanelectronatanangleof90°.Whatisthemodifiedwavelength?(

)

A:5.56730nm

B:

2.00243nm

C:7.67945nm

D:9.45891nm

答案:BThemomentumofphotonscorrespondingtotheminimumwavelengthemittedfromx-raytubewhoseoperatingvoltageis120kVis(

)

A:

B:

C:

D:

答案:BAnX-raytubeoperatesat100kV.Themaximumspeedofelectronsstrikingtheanticathodeis(

)

A:

B:

C:

D:

答案:DIftheK,L,andMenergylevelsofPtare78000eV,12000eVand30000eV,respectively,linefromPtis

(

)

A:14.3pm

B:92.6pm

C:43.6pm

D:18.6pm

答案:DWhentheatomicnumberoftheanticathodeis79,

lineis

(

)

A:

B:

C:

D:

答案:DInZntheionizationenergyofKshellis9.659KeVandLshell1.021KeV.ThekineticenergyoftheAugerelectronemittedfromtheLshellis(

)

A:8.638KeV

B:7.62KeV

C:4.579KeV

D:1.02KeV

答案:B第八章測試A:0.5nm

B:134.7nm

C:1.3nm

D:20.8nm

答案:DThroughwhatangleisa4MeVaparticlescatteredwhenitapproachesagoldnucleuswithaimpactparameterof

?(

)

A:

B:

C:

D:

答案:ATheenergyofahydrogenatominthefirstexcitedstateis

(

)

A:-0.85eV

B:-1.51eV

C:-13.6eV

D:-3.4eV

答案:D