physics standard level paper 1 - st leonard's college · physics standard level paper 1...
TRANSCRIPT
2212-6510 13 pages
M12/4/PHYSI/SPM/ENG/TZ1/XX
Thursday 10 May 2012 (afternoon)
PHYSICSSTANDARD LEVELPAPER 1
INSTRUCTIONS TO CANDIDATES
• Do not open this examination paper until instructed to do so.• Answer all the questions.• For each question, choose the answer you consider to be the best and indicate your choice
on the answer sheet provided.• A clean copy of the Physics Data Booklet is required for this paper.• The maximum mark for this examination paper is [30 marks].
45 minutes
© International Baccalaureate Organization 2012
22126510
2212-6510
–2– M12/4/PHYSI/SPM/ENG/TZ1/XX
1. Whatistheorderofmagnitudeofthemass,inkg,ofanapple?
A. 10–3
B. 10–1
C. 10+1
D. 10+3
2. The diagram below shows the forces acting on a block ofweight W as it slides down a slope.Theanglebetweentheslopeandthehorizontalisθ,thenormalreactionforceontheblockfromtheslopeisNandfrictionisnegligible.
N
W
θ
θ
θ
Whichofthefollowinggivestheresultantforceontheblock?
A. W sinθ
B. W cosθ
C. N sinθ
D. N cosθ
2212-6510
–3–
Turn over
M12/4/PHYSI/SPM/ENG/TZ1/XX
3. Thevelocity–timegraphforanacceleratingobjectthatistravellinginastraightlineisshownbelow.
velocity/ms–1
5.0
4.0
3.0
2.0
1.0
00 1.0 2.0 3.0 4.0 5.0
time/s
Whichofthefollowingisthechangeindisplacementoftheobjectinthefirst5.0seconds?
A. 25.0m
B. 12.5m
C. 5.0m
D. 1.0m
2212-6510
–4– M12/4/PHYSI/SPM/ENG/TZ1/XX
4. Anobjectfallsverticallyfromrest.Airresistanceactsontheobjectanditreachesaterminalspeed.Whichofthefollowingisthedistance–timegraphforitsmotion?
A.
distance
00 time
B.
distance
00 time
C.
distance
00 time
D.
distance
00 time
2212-6510
–5–
Turn over
M12/4/PHYSI/SPM/ENG/TZ1/XX
5. ApendulumswingsbackandforthinacirculararcbetweenXandY.
X Y
Thependulumbobis
A. alwaysinequilibrium.
B. onlyinequilibriumatXandY.
C. inequilibriumasitpassesthroughthecentralposition.
D. neverinequilibrium.
2212-6510
–6– M12/4/PHYSI/SPM/ENG/TZ1/XX
6. Ablockofmass m ismovingatconstantvelocity v alonga frictionless surface that isheighth abovetheground.
v
h
Whichexpressiongivestheworknecessarytomaintaintheconstantvelocity?
A. mgh
B. 212
mv
C. 212
mgh mv+
D. zero
7. Whichofthefollowingisanelasticcollision?
A. Tworailwaytruckscollideandtheylinktogether.
B. Tworailwaytruckscollideandtheydonotlinktogether.
C. Twogasmoleculescollideandeachchangesdirection.
D. Twogasmoleculescollideandabondisformedbetweenthem.
8. Acarmovesatconstantspeedaroundahorizontalcirculartrack.Theresultantforceonthecarisalwaysequalto
A. theforwardforcefromtheengine.
B. thesidewaysfrictionbetweenthetyresandthetrack.
C. theweightofthecar.
D. zero.
2212-6510
–7–
Turn over
M12/4/PHYSI/SPM/ENG/TZ1/XX
9. Thetotalpotentialenergyandrandomkineticenergyofthemoleculesofanobjectisequaltothe
A. heatenergyintheobject.
B. internalenergyoftheobject.
C. thermalenergyintheobject.
D. workstoredintheobject.
10. Whichofthefollowingcorrectlydistinguishesbetweentheevaporationandtheboilingofaliquidunderatmosphericpressure?
Evaporation Boiling
A. takesplaceatonefixedtemperature occursatthesurfaceoftheliquid
B. takesplaceatalltemperatures occursatthesurfaceoftheliquid
C. takesplaceatonefixedtemperature occursthroughoutthebodyoftheliquid
D. takesplaceatalltemperatures occursthroughoutthebodyoftheliquid
11. AnidealgashasanabsolutetemperatureT. Theaveragerandomkineticenergyofthemoleculesofthegasis
A. independentofT.
B. equaltoT. C. proportionaltoT.
D. inverselyproportionaltoT.
2212-6510
–8– M12/4/PHYSI/SPM/ENG/TZ1/XX
12. Anobjectisundergoingsimpleharmonicmotion(SHM)aboutafixedpointP.ThemagnitudeofitsdisplacementfromP isx.Whichofthefollowingiscorrect?
Magnitude of resultant force Direction of resultant force
A. proportionaltox towardsP
B. inverselyproportionaltox towardsP
C. proportionaltox awayfromP
D. inverselyproportionaltox awayfromP
13. Anobjectundergoessimpleharmonicmotion(SHM).Thetotalenergyoftheobjectisproportionalto
A. theamplitudeoftheoscillations.
B. thetimeperiodoftheoscillations.
C. thefrequencyoftheoscillations.
D. themassoftheobject.
14. Whatregionoftheelectromagneticspectrumincludeswavesofwavelength5×10–8m?
A. X-ray
B. Ultraviolet
C. Infrared
D. Microwave
2212-6510
–9–
Turn over
M12/4/PHYSI/SPM/ENG/TZ1/XX
15. Arayoflighttravelsfromavacuumintoglassasshownbelow.
vacuum
glass
Inglass,lighthasspeedv .Inavacuum,lighthasspeedc.Whichofthefollowinggivestherefractiveindexofglass?
A.cv
B.vc
C. sinsin
cv
D. sinsin
vc
16. Theampereisdefinedintermsof
A. powerdissipatedinawireofknownlength,cross-sectionalareaandresistivity.
B. potentialdifferenceacrossaresistanceofknownvalue.
C. numberofelectronsflowingpastapointinacircuitinagiventime.
D. forceperunitlengthbetweenparallelcurrent-carryingconductors.
17. Abatteryofemf6.0Visconnectedtoa2.0Ωresistor.Thecurrentinthecircuitis2.0A.Theinternalresistanceofthebatteryis
A. zero.
B. 1.0Ω.
C. 3.0Ω.
D. 4.0Ω.
2212-6510
–10– M12/4/PHYSI/SPM/ENG/TZ1/XX
18. Whichofthefollowinggivestheresistancesofanidealammeterandanidealvoltmeter?
Resistance of ideal ammeter Resistance of ideal voltmeter
A. infinite infinite
B. zero infinite
C. infinite zero
D. zero zero
19. AmassatpointX givesrisetoagravitationalfieldstrengthg atpointPasshownbelow.
X P
AnidenticalmassisplacedatpointYasshownbelow.
X P Y
TheresultantgravitationalfieldstrengthatPisnow
A. greaterthan2g.
B. between2gandg.
C. betweengandzero.
D. zero.
20. Theelectricfieldstrengthbetweentwooppositelychargedparallelplates
A. hasthesamevalueeverywherebetweenthetwoplates.
B. decreasesfromthepositiveplatetothenegativeplate.
C. islargerattheedgesthaninthecentre.
D. issmallerattheedgesthaninthecentre.
2212-6510
–11–
Turn over
M12/4/PHYSI/SPM/ENG/TZ1/XX
21. Threeparallelwires,X,YandZ,carryequalcurrentsintothepage.
WhicharrowrepresentsthedirectionofthemagneticforceonwireZ?
A.
B.
C.
D.
22. Whencomparedwithbetaparticlesandgamma-rayphotons,alphaparticleshavethegreatest
A. mass.
B. penetratingpower.
C. rangeinair.
D. speed.
23. Whichstatementcorrectlydescribestheprocessofnuclearfusion?
A. Thejoiningtogetheroftwosmallatomstocreatealargeratom.
B. Thesplittingupofalargeatomtocreatetwosmalleratoms.
C. Thejoiningtogetheroftwosmallnucleitocreatealargernucleus.
D. Thesplittingupofalargenucleustocreatetwosmallernuclei.
2212-6510
–12– M12/4/PHYSI/SPM/ENG/TZ1/XX
24. Thefractionoftheworld’senergyconsumptionprovidedbynuclearenergyis
A. lessthan0.2%.
B. between0.2%and2%.
C. between2%and20%.
D. greaterthan20%.
25. The burning of fossil fuels in power stations produces greenhouse gases. Another potentialenvironmentalproblemisthat
A. theemissionscandestroytheozonelayer.
B. theemissionscancauseacidrain.
C. themaximumefficiencyisverylow.
D. theenergydensityofthefuelsislowcomparedtorenewableresources.
26. Inanuclearpowerstation,inordertoincreasethechancesofachainreaction
A. kineticenergyisremovedfromtheneutrons.
B. kineticenergyisgiventotheneutrons.
C. someneutronsareabsorbed.
D. extraneutronsareadded.
27. Theoriginalsourceoftheelectricalpowerproducedbyawindgeneratoris
A. theSun’sradiatedenergy.
B. thegravitationalenergyoftheSunandtheMoon.
C. nuclearenergystoredwithinatomsintheEarth’satmosphere.
D. theEarth’sinternalenergy.
2212-6510
–13– M12/4/PHYSI/SPM/ENG/TZ1/XX
28. Increasingthetemperatureofablack-bodywillhavethefollowingeffectonitsemissionspectrum.
Total power radiated Peak wavelength of radiation
A. increases decreases
B. staysthesame decreases
C. increases staysthesame
D. staysthesame staysthesame
29. Anaturalprocessthatcouldcauseanincreaseinglobalwarmingis
A. anincreaseintheradiusoftheEarth’sorbitaroundtheSun.
B. anincreaseintheabsorptionofcarbondioxidebyseawater.
C. adropinmeansea-level.
D. deforestationasaresultofnaturalecosystemchanges.
30. Whatistheunitforthecoefficientofvolumeexpansion?
A. m3K–1
B. m3
C. K
D. K–1