soalan physics trial johor 2010 & jawapan

8/7/2019 Soalan Physics Trial Johor 2010 & Jawapan

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JABATANPELAJARANNEGERIJOHOR

PEPERIKSAANPERCUBAANSIJILPELAJARANMALAYSIA2O1OPHYSICSKertas1OgoslSeptemberl Yaiam

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Satujam limabelasminit

JANGAN BUKA KERTASSOALANINISEHINGGADIBERITAHUKertassoalanini adalahdalamdwibahasa,soalan datam bahasalnggerismendahuluisoalanyang sepadan dalambahasaMelayu,Calondikehendakimembacamaklumatdihatamanbelakangkertassoalanini'

Kertassoalaninimengandungi29halamanbercetakdant halamantidakbercetak

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Whichquantityis a vectorquantity?Kuantitimanakahialahkuantittvenor!A LengthPaniangB VolumelsiPaduC VelocitYHalaiuO DensitYKetumPatanWhichofthefollowingvaluesisequalto300ms?Antaranilaiberikut,yaniianaXansamadengan300ms?

A 3x10-5sB 3x10{ sC 3x10'3 sD 3x10-1s

Diagram1Raiah1Whichstatementisconect?PemYataanmanakahbenaftA P isthemaniPulatedvariable.P ialahpembalehubahdimantputastB Kis theconstantvariableK ialahPembotehubahdimalarkanC P decreaseslinearlYwithKPber4urangsecaralineardenganKD P isdirectlYProPortionaltoKP berkadarterusdenganK

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Diagram1 showsa graphrelatingtwophysicalquantities'P andK'Rajahlmenunjukkansatugrafyangmenghubungkaitduakuantitifizik,PdanK'

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SULIT4 Diagram2 showsa boythatis runningthroughthreepointsP,Q andR withveloci ty4ms'1,3ms' l and 2ms- l respect ively.Rajah2 menunjukkanseorangbudaklelakisedangberlarimelaluitiga titikP, QdanRdenganhalaju4m s'1,3ms'1 and 2ms-1masing-masing,

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PORDiagram2Rajah2

Theboyis runningwithBudaklelakiitu berlaridenoanA uniformvelocityhalajuseragamB uniformaccelerationpecutanseragamC uniformdecelerationnyahpecutanseragamD uniformmomentummomentumseragamDiagram3 showsfourpositionsof a vaulterduringa jump.Rajah3 menunjukkanempatkedudukanbagi seorangatletlompatbergalahyangsedangmembuat lompatan.

Diagram3Rajah3Inwhichpositionis thekineticenergyofthevaulterbecomesmaximum?Di kedudukanmanakahtenagakinetikatlettompatbergalahitu adatahmaksimum?

--+ 2 m s-1--+ 4 m s't

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Diagram4Rajah4Themovementof thewatermelonis duetoPergerakanbuahtembikaiituadalahdisebabkanolehA inertiainersiaB frictiongeseranC impulseimpulsD momentummomentum

Whichofthefollowingsafetyfeaturesina vehicleis notdesignedto protectthedriverduringcollisions?Antaraciri-Cirikesetamatankenderaanberikut,yangmanakahtidakbeftuiuanuntukmelindungipemandusemasapelanggaran?A ReinforcedpassengercompartmentRuang/Sangkar penumpang yangtegarB SidebarsinvehicledoorsGatang/BarsisidalampintukenderaanC ShockabsorbersPenyeraphentakanD Air bagsBeg udara

Diagram4showsawaterme|onthat isplacedatAona|orry.Whenthe|orrystartsto move,thewatermelonrollsfrompositionA to B.when the lorrysuddenlystops,thewatermelonrollsfrompositionB to A'Ciiii q menuniukkansebiiitembikaiyangdiletakkandi kedudukanA di dalams,ebuanbri. Ap'abilalari iti bergerak,iembikaiitu bergolekdariked.ud.ukanA kei ipaiOi,'rtatoi ituberhentidengantiba-tiba,tembikaiitubergolekdari

kedudukanBkeA.

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SULIT 4531tl8 Diagram5 showsa regionX surroundingtheEarthwherea massthatis placedinthisregionwillexperiencea force.Rajah5 menunjukkansatukawasanX mengelilingiBumidi mana suatujisimyangdiletakkandi kawasantersebutakanmengalamisuatudaya.

'"n"Af -/,[:#iJ^Foi----( Earth \.-iV i- \ Bumi /.-W j

\_-/6 j

A itI . '^fuDiagram5Rajah5

TheregionX isKawasanX ialahA ElectricfieldMedanelektrikB Magneticfield

MedanmagnetC GravitationalfieldMedangravitiD ElectromagneticfieldMedanelelektromaonet

I A forceis appliedto an object.Whichof thefollowingcannotoccur?Dayadikenakanke atassuatuobjek.Antarayangberikut,yangmanakahtidakakanberlaku?A TheobjectspeedsupJasadsemakinlajuB TheshapeoftheobjectchangesBentukjasad berubahC ThemassoftheobjectdecreasesJisimjasadberkurangD Theobjectchangesitsdirectionof motionArahgerakanjasadberubah

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Diagram6 showsa squidthatexecutesan emergencyescapeby ejectinga blackfluidtowardsitsenermy.Rajah6 menunjukkanseekorsofongyangmelarikandiridalamkeadaancemasdenganmemancutkancecairhitamke arahmusuhnya'

Diagram6Rajah6Whichof thefollowingprincipleexplainedtheemergencyescapeof the squid?Antaraprinsipyangberikut,yangmanakahmenerangkansituasisotongitu ?A Principleof SuperpositionPrinsipSuperposr'slB Principleof Conservationof MomentumPrinsipKeabadianMomentumC Principleof Conservationof EnergyPrinsipKeabadianTenaga

Diagram7 showsa catapultthatis aimto a chicken.Rajah7 menunjukkansatulastikyangdituiukanke arah seekorayam'

ElasticcordTalikenyal

Diagram7Rajah 7A 5 N forceis appliedto the catapultto producean extensionof 10 cm in theelasticcord,calculatetheelasticpotentialenergystoredin theelasticcord.Satudaya 5 N dikenakanke afas lastikitu untukmenghasilkanpemaniangan10 cmpadatali kenyal,hitungkantenagakeupayaankenyalyang tersimpandidalamtalikenyalitu.A 0.010JB 0.015Jc 0.020JD 0.025J

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BackwardvelocityHalajuke belakang

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DiagramI showsa studentthrowsan eggtowardsa pieceof cloththatissupportedbYtwoof hisfriends.iiian a meiunjukkanseorangpetaiarsedangmelontartelurke arahsehelaikainyangdipegangolehduaorangrakannya'

Diagram8Raiah8Whichof thefollowingexplainedwhytheeggdoesn'tbreak?Antarayang berikut,'yangmanakah-menerangkanmengapateluritu tidakpecah?A BoththeclothandtheeggshellaremadeofsoftmaterialKedua-duakaindan kutittelurdibuatdaribahanyanglembutB Theegghasnegl igiblemomentumTeluritu mempunyaimomentumyangbolehdiabaikanc Theclothlengthenthe impacttimeso impulsiveforceis reducedKainitumemanjangkanmasaperlanggaranmakadayaim.pulsdikurangkanD Theclothshortentheimpacttimeso impulsiveforceis reducedKainitumemendekkanmasaperlanggaranmakadayaimpulsdikurangkan

13 Diagram9 showsa woodenblockwitha dimensionof 10 cmx 40 cm x 60 cmbeingplacedona floor'Themassoftheblockis0' 2kg'naiin'emenuniukkansebuahbongkahkayuberukyryn10 cmx 40 cmx 60cmditetakkandi atas lantai'Jisimbongkahituadalah0'2 kg'

Fd dLY YTelur

10cmcm

Diagram9Rajah9

Whatis theminimumpressurethatcanbe exertedby theblockon thefloor?Berapakahtekananminimumyangbolehdikenakanolehbongkahitupadalantai?A 8.33N m'2B 33.33N m-2C 50.00N m-2D 83.33N m-2

60 cm

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Diagram10showsa boysitt ingon a chair.Theweightoftheboy,W acts

verticallydownward.Cajanrc menunjukkanseorangbudakdudukdiatassebuahkerusi.Beratbudakitu,W beftindaktegakke bawah'

Diagram10Raiah10

Nametheforce,R thatbalancedtheweight,W.NamakandayaR yangmengimbangiberatW'A FrictionalforceDayageseranB ResistanceRintanganC NormalreactionTindakbalasnormalD lmpulsiveforceDayaimPuls

15 I 1 showstheroofpanelof a houseis flyingoff in astrongwind'

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DiagramRajah11

nVr flIRl/ It+ l l lr-r l 1 i ll r - lz la[it\

menunjukkanbumbungsebuahrumahtercabufsemasaributkencang

Diagram11Raiah11Whichprincipleexplainsthisevent?Prinsipmanakahmenerangkankeiadianini?A Pascal'sPrinciPlePrinsiPPascalB Bernoul l i 'sPr inc iPlePrinsiPBernoulliC Archimedes'Pr inc iPlePrinsiPArchimedesD Principleof conservationofenergyPrinsiPkeabadiantenaga

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45311116 A leakingrubbersuctionpumpis pressedagainsta smoothwall as showninDiagram12.1.Whenreleased,thesuctionpumpdoesnotstickto thewall,asshowninDiagram12.2.Satupam penyedutyangbocorditekankepadadindingyang licin sepertidi Rajah 12.1.Apabiladilepaskan,didapatipam penyeduttersebuttidakmelekatpadadindingsepertiyangdituniukkandalamRaiah12.2.

SuctionpumpPampenyeduttr+ SmoothwallDindinglicin

l1

Diagram12.1Rajah12.1 Diagram12.2Rajah12.2Thesuctionpumpdoesnotstickto thewallbecausePampenyeduttidakmelekatpadadindingkeranaA the atmosphericpressureis equalto thepressureinsidethe pumptekananatmosferaadalahsamadengantekananudaradi dalampenyedutB the atmosphericpressureis lessthanthepressureinsidethe pumptekananatmosferaadalahkurangdaripadatekananudaradi dalampenyedutC the atmosphericpressureis morethanthepressureinsidethe pump

tekananatmosferaadalahlebihtinggidaripadatekananudaradi dalampenyedut

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12. : . . .Wniclrof thefollowingsituationsobeysPascal'sprinciple?Antara.situasiberikut,yang.manakahmematuhiprinsipPascal?

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18 Diagram13 showsan appleis floatingin 'abeakerof water.Rajah13 menunjukkansebiiiepal sedangterapung.dalamsebuahbikarberisiair.

Diagram13Rajah13which of thefollowingstatementsdescribesthe buoyantforcecorrectly?Manakahpernyataaiberikutmenerdngkandayakeapungandenganbetuf?A Thebuoyantforceequalsto themassof thewaterdisplacedDayakeapungansamadenganiisimair yang disbsarkanB Th ebuoyantforceequalsto theweightoftheappteDaya keapungansamadenganberatepalThe buoyantforceequalsto thevolumeof thewaterdisplacedDayakeapungansamadenganisipaduairyangdisesarkanThe buoyantforceequalsto themassof the appleDaya keapungansamadenganiisimepalcD

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45311113SULIT19 Diagraml4showsobjectsPandQareintherma|contact.Therma|equi l ibr iumreachedwheniiiiit ienuniukkan obiekpdanQ datamsentultanterma.KeseimbangantermatercaPaibila

I

Diagram14Raiah14no heatis lostto surroundingstiadakehilanganhabake persekitarantheyhavethe same.amountof heatenergymerekamempunyaiiumlahtenagahabgyangsamathe rateoftransferof neaifromF andQ is equalto therateoftransferofheatfromQ to Pkadarhabayang dipindahkandariP ke Q adatahsamadengankadarhabayangdipindahkandariQke Pthe rateof increasesrnthetemperatqreof P is equalto the rate ofdecreasesin thetemPeratureof Qkadarkenaikansuhu[uJi e adatahsamadengankadarpenurunansuhudalam Q

Diagraml5showsthetemperatureagainst i imegraphfor600gofI iquidXthatisheaiedby a 100W electricimmersionheater''nuiin-rc *"nuniukkangraf suhumelawanmasabagl600g.c.ecairXyangdipanaskanotehseouai["r,uru" rendamyangmempunyaikuasa100W'

ABc

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Temperature/"CSuhu/"C 6040

Time/minutesMasa/minit

Diagram15Raiah15DeterminethespecificheatcapacityofliquidX inI rSll!.1TentukanmuatanhabatentubagicecairXdalamJ kg "u 'A20860c 1200D 2000

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21SULIT 4531t1

Thespecificheatcapacityof aluminiumis higherthancopper.Whenheatissuppliedat the samerateto twoidenticalblocksof samemass,whichof thefollowinghappens?Muatanhabatentualuminiumadalahlebihtinggidaripadakuprum.Apabilakadarhabayangdibekalkanadalahsamapadakedua-duablokyangmempunyaijisimyangsama,manakahantaraberikutberlaku?A the copperblockwillgetheatedup fasterblokkuprumakan lebih cepatpanasB the copperblockwillexpandfasterthanaluminiumblok kuprumakan mengembanglebihcepatberbandingaluminiumC the aluminiumblockwillexpandfasterthancopperblockblok aluminiumakanmengembanglebihcepatberbandingkuprumD the rateof temperatureriseinthealuminiumblockis higherkadarkenaikansuhu dalamblok aluminiumadalahtinggiDiagram16 showstemperatureagainsttimegraphof a substance.Thesubstanceis heatedat asteadyrate.lt changesfromsolidto a liquid,andthentogas,Rajah16menunjukkangrafsuhumelawanmasabagi suatubahan.Bahanitudipanaskanpadakadarseragam.la berubahdari keadaanpepejalkepadacecair,kemudiannyakepadagas.

TemperatureSuhu

TimeMasaDiagram16Rajah16

Whichpartsof thegraphshowa statewithsolidandliquidonly?Bahagianmanakahpada grafmenunjukkankeadaanpepejaldan cecairsahaja?23 Mercuryis usedin the liquid-in-glassthermometerbecauseit

Merkuridi gunakandi dalamtermometercecairdalamkaca keranaiaA sticksto theglasswallmelekatpadadindingkacaB hasa lowerboilingpointmempunyaitakatdidihyangrendahC expandsandcontractsuniformlymengembangdanmengecutsekataD is transparentandthereforeit is easierto readadalahlutsinardan mudahdibaca

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Diagram17showsthe imageformedonthescreenis no tclear(notsharp).nafin n menunjukkanimeiyangdibentukkanpada skrinadalahkabur.

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Diagram1iRaiah17whichof thefollowingchangeswillproducea sharpimageon the screen?Antaraberikut,yang manak-ahperubahanyangakanmenghasipansatuimeiyangjelaspadaskrin?A MovethescreentowardsthelensGerakkanskrinmendekatikantaB Movethe objectfurtherfromthe lensGerakkanobiekitu lebihiauh daripadakantaC Movethe objectuntilit is at thefocalpointof thelensGerakkanobieksehinggaia beradadi titikfokuskantaituD Replacethe lenswithwithanotherconcavelensof shorterfocallengthGantikankantadengansebuahkantacekungyangmempunyaiiarakfokuslebihpendek

Whathappensto lightas it travelfromglassintoair?Apakahyangakan-bertakukepadacahayaapabilamerambatdarigelaske aiftSpeedof light Angleof refractiondecreasesherkurano decreasesberkuranqtncreasesbertambah tncreasesbertambahdecreasesberkurano lncreasesbeftambahincreasesberlambah decreasesberkurang

ABcD

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4531t1Diagram18showsstudentA and studentB standingin frontof a planemirrorat adistanceof 2.5m and 4.5m respectively.Rajah 18 menunjukkanpelajarA.dan pelajarBberdiridi hadapansebuahcerminsatahpadajarak 2.5 m dan 4,5 m masing-masing.

Diagram18Rajah 18Whatis thedistancebetweenstudentB andtheimagestudentA?Apakahjarak antarapelajarBdenganimejpelajarA?A 2.0mB 4.5mC 5.0mD 7.0m

Thediagram19showsttiephenomenonoftotalinternalreflectionwhichoccursaltheboundarybetweentwomedium.Rajafi19menunjukkanfenomenapantulandalampenuhyangberlakupadasempadandiantaraduamedium.

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Diagram19Rajah19What is the conect relationshipbetweenrt.1oDdn2?Apakahhubunganyangbetulantarant dan nz?A flr>t leB ht=f leC 0r


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Diagram20 showsa rayof lightpassingthrougha prismthat has a refractiveindexof 1.56.Rajah20 menunjukkansatu sinarcahayayangmelaluisatuprismayangmempunyaiindeksbiasan1.56.

Diagram20Rajah20Whichof the followingshowscorrectlytherefractedrayof the lightthroughtheprism?Antararajahbeikut yangmanakahbetulmenunjukkanlintasansinar biasanmelaluiprisma?A

D

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Diagram21 showsa soundwavepropagatingin air'AalanZt menuniukkangelombangbunyidi udara.Ri l lRilllc illt8 m'

C - comPression- mamPatanR - rarefaction- reganganDiagram21

Raiah21Thespeedof soundwaveis 330ms'1.Whatis thefrequencyof thesoundwave?ketaliangetombangbunyiialah330ms-l. Berapakahfrekuensigelombangbunyi?A 18.3HzB 55.0Hzc 73.3HzD 110.0Hzwhichof thefollowingwaveproperlychangeswheninterferenceof wavesoccur?iang mana1ahdi antaracirigelombangberikutberubahapabilaberlakuinbrterensgelombang?A SpeedKelaiuanB WavelengthPanianggelombangC AmplitudeAmPlitudD Directionof ProPagationArahrambatan

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Diagram22 shows thephenomenonof interferenceof waterwaves'AajanZZ rnenuniukkanfenomenainteferensgelombangair.

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S; :Wavesource1'.Sumbergelombang1Sz:Wavesource2:Sumbergelombang2

Diagram22Raiah22Whatis thewavelengthof thewaterwaves?Berapakahpanjanggelombangbagigelombangair tersebuftA 0.8cmB 1.2cmC 3.2cmD 5.0cmWhatwoulda drummerdo to producea lowerpitchnote?Apayang pertudilakukanolehpemaindrumuntuk menghasilkannat yangmempunyaikelangsinganlebihrendah?A Hitthedrumskinwitha smallerforceMemukuldrumdengandayayang lebih kecilB Hitthe drumskinwitha largerforceMemukul drumdengandayayanglebih besarC LoosenthedrumskinMengendurkanpermukaandrumD TightenthedrumskinMenegangkanpermukaan drum

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SULIT 20Diagram23 showsa wavepattern.Rajah23 menunjukkansatucorakgelombang.

DisolacementSesaran

DistanceJarak

Diagram23Rajah23WhichofthedistanceslabelledA, B, C or D,representsonewavelength?AntarajarakberlabelA,B, C danD,yangmanakahmewakitisatupanjanggelombang?

Diagram24 showswaterwavesare movingtowardsa harbour.Rajah24 menunjukkangelombangair merambatmenujusebuahperlabuhan.

SeaLaut ff i HarbourF Pelabuhan

Diagram24Rajah24Whatwillhappento thewavesat P ande?Apakahyangakanberlakukepadagetombangitupada p dan e?

P oReflectionsPantulan RefractionsPembiasanDiffractionsPembelauan RefractionsPembiasanReflectionsPantulan InterferencelnteierensDiffractionsPembelauan Interferencelnterferens

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35 Twounchargedconductingspheresarep|acedapart.Whichofthefol lowingdiaoramsbestrepresentsthechargedistributionwhena negativelychargedrodis p'iacednearoneof them?Duasferakonduktoryaig tidakbercasdiletakkanberiauhan.Man.akahantaraTiin-i"iii ,erikfip;tin;sesuaimenerangkantaburancasapabilasaturod'ii, rjui"'i, grt if diIeiakka"nberdekatan dengan salah satu daripadanya?

B

c

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7=-\ l-+\ r=_=__-'l- - \ / r + \r It- J l+. .+jt-_-_ |\- -/ \f fl\_--z \+/?/-=-\ /,2-+-.\/ - \ / f \ rl - \ / +\ l - --- |t - ) t +ll - : - : I\ - / \ * iu\=--l \-r-rl

,/':T\ /,'=T\/ -+\ / -?\ ,l- *\ /- +\ l=-- -lt - +I t- +j l - -_ |r/ \- it\


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45311122SULIT37 Potentialdifferencebetweentwopointsisdefinedas't"rli ilrpia,yainai antaradua titikditakrifkansebagai

A currentflowsis 1 amperewhen1 voltis appliedacloslsth-etwopointsaruslampereyangmengalirapab' i |at 'uoitaixenakanmerentasiduati t iki tuB energyreleasedoJtween"twopointswhen1 coulombof chargeflowtenagayang aioeiiiiin ai anitar"duatitikituapabila1 coulombcasmengalirC powerreleasedbetweentwopoints*l9l 1 coulombofchargeflowkuasavang aiaeiisiin ai urri"u duatitikituapabila1 coulombcasD !f!fn?,![a*sed betweentwopointswhen1 ampereof currentflowthroughthetwoPointsi;iigu iang dibebaskandi antaraduatitikituapabila1 amperearusmengalirmelaluiduatitikitu

Diagram26 shows.acircuitconsistof identicalbulbs'Raiah26 ,rnunlu^nui litaryangmengandungimentol-mentolyangserupa'38

Diagram26Rajah26Whichof thefollowingstatementsis correct?Manakahantarap"rny"l"u'-pernyataanberikutadalahbenaftA BulbT isthe dtmmestMentolTadalahPalingmataPB BulbP isthe brightestMentolP adalahPalingterangC BulbS is brighterthanbulbR- iintat S aaAtanlebihterangdaripadamentolRD BulbP andbulbQ areof thesamebrightnessMentolPdanmentolQmempunyaikecerahanyangsama

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23SULIT39

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Themotionofacurrentcarryingconductor inanmagneticf ie|dscanbedeterminedbYGerakankonduktoryangmembawaarusdalammedanmagnetbo|ehditentukanolehA Directionof currentflowAraharusmengalirB Fleming'sRightHandRulePetuaTanganKananFlemingC Fleming'sLeftHandRulePetuaTanganKri FlemingD RighthandGriPRulePetuaGenggamanTanganKanan

Thediagram27 showsa barmagnetmovingtowardsa solenoid'ii"h i7 ienuniukkan magnetbardigerakkanke arahsolenoid'Directionof movementArahpergerakan

SBarmagnetMagnetbar

Diagram27Raiah27

which of these actionswill not increasethe deflectionof the galvanometerpointer?Tindakanmanakahyangtidak akanmenambahpesonganiarumgalvanometer?A Reversingthepolarityof themagnetMenukarkutubmagnetB Increasingthenumberof coilsin thesolenoid

MenambahIilitansolenoidC Increasingthespeedof thebarmagnetMenambahlaiumagnetbarD Increasingthe numberof magnetsusedMenambahbilanganmagnet

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Diagram28 showsan electricmotor.Rajah28 menunjukkansebuahmotorelektrik.

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Diagram28Rajah28Whichmagneticfieldpatternis correctwhenthe switchis closed?Corak medanmagnetyangmanakahadalahbetul apabilasuisditutup?

42 A laminatedironcoreis usedin a transformerto reducesTerasbesiberlaminadigunakandalam satutransformeruntukmengurangkanA the eddycurrentsaruspusarB thehysterisislosshisferlslsC the resistanceof the coilrintangangegelungD the leakageof magneticfluxkebocoranfluksmagnet

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c

D

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SULIT43 Theinputvo|tageandtheoutputvo|tageofanidea|transformerare240VandiiV;$;t.rej'. WrraiL thecunentinthesecondarycoilif thecurrentin theprimarycoilis5 A.Bezakeupayaanprmerdanbezakeupayaansekunderuntuksatutransformerw; ;;{s;iiaaian z+oi aatn12v iaiins'masins'B9r92alaharusdatam

'g";rtr;;:;;riunderiikaarusdalamgegelungprimerialah5 A'A lOOAB 254c 4AD 1ADiagram29 showstwodiodeswhichareconnectedin parallelin a circuithi;i";;i;g-;;runiukkan duadioddisambungsecaraselaridatamsatutitar44

Diagram29Raiah29

WhenswitchS is closed,whichbulb/bulbswilllightup?A,pabilasuisS drtufup,mento!manakahyangakanmenyala?A P onlYP sahaiaB PandQonlYP dan Q sahaiaC PandRonlYP danR sahaiaD P,QandR

P,QdanR

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Diaqram30 showsa combinationof logicgates'A,iiangOmenuniukkansatukombinasiget logik'

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Diagram30Raiah30At inputP,0Visgiven,Whic-hof thefo| lowinghasa|ogicgateequiva|ent tothatshownin theabovediagram?Padainputp,ov Jrreir'ii'ii' nnt"'" berikut' get logikyangmanakahadalahsetaradengankombinasiget logikitu?A NOTTAKB ANDDANC NORTAK-ATAUD NANDTAK-DAN

46 Whichof thefollowingis thedopingof a p-typesemiconductor?yangmanakaniitaia berikutmeiupat


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SULIT 274531/1

Diagram31showsthedesignol I *Jh?d-9jly oscilloscope'Thereis a constantootEntiafdifferenceacrossthedefleciionplates''Raiah31menuniukka""dt;i';;;ii"n ti'a sinarkatod'Bezakeupayaan'iliiintu,"i pitatpemesongadalahtetap'47

CathodeKatodScreenSkrin

oF:,',11u?'whichchangewillincreasethedeflectionofthespoton.1ll9::r"n?Perubahan ^ u,ux,u'i, iii i i eningkatka; ;:,;;

;; ; di n iltik cahayapada skrin?A increasingthelengthofthedeflectionplate'iii aniin sxanpanianspta:'Pe\,e-:onsanB increasingtn" tlJ"i"tion.ofthed-eJlectionplatemetebarxaniaiii pemi sanan a.ntaraplat-pIatpem",to:g^u:.c decreasingi#;iffi;;l'o* tn" defiectionplatesto thescreen*"ngwu'gk* i"iix i'ar-a platpe,mesongdanskrinD increasingthefotentialdifference-beiweeicathodeandanodemenambahkanbezakeupayaanantarakatoddananod

48 Nucleus'l!U Oecaythroughfewstagesuntilreacha stablenucleus'Particlesemittedinordersareo' B'F:,o'o'whichortl'reiotriwl"g"**r"r. i. nbiir'" productfromthedecaysenesNuk/eus'f,llJmereputmetaluibeberapaperingkatsehinggamencapaisatunukleusYangstabil'Zarah-zarahyuil"t"'pun"ar.ikutturutanadalaho' B'p' o' o'Antaranukreus-nukteusberikutv"rg *rizi:;; ;;i;;'h"sil datamsirireputanitu?A '33RAB tunlfhc '11P"D ',3iu

rLihattllii4531/to 2o1oHakciPtaJPNJ


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l8SULIT49 A radioact ive unstable nucleus decay becomes

a stable nucleus. which of thefol towing gr"pn tho;i numoer of ,stable nucleus 'N with t ime't?[number of unstable nucleus is rvosatunukleusradioaktifyangtidakstabitmereputmenjadinukleusyanglebihstabit.Antaragrafberikut,yangmanak;ahmenuniukkannukleusyangstabil 'Ndengan masa, t ?[bitangan nukleutsyang tidak stabil adalah No ]

'"11,/ol 'u,NT+rr | |N"\t \l \0 >ts

In theGeiger-Marsdenexperiment,a narrow-beamof o-particlesis bombardedtoa ti.'inpie.i of goldfoil in a vacuum.A fewof theparticlesweres.catteredthrough;;g; ;;;6r. ine resuttof theexperimentprovidedevidencefor theexistenceofOiti* iksperimenGeiger-Marsden,satualur.haluszarah-zarahq telahdibediliiia satu'kepingankeiaiangemas"dalamvakum'Beberapazarahtelah'iifesongt


27/82

SULITNOKAD PENGENALANANGKAGILIRAN

PEPERIKSAANPERCUBAANSIJILPELAJARANMALAYSIA2O1OPHYSICSKertas 2Ogos20102% jam

JABATANPELAJARANNEGERIJOHOR

4531t2

Duajamtigapuluhminit

JANGANBUKAKERTASSOALANINISEHINGGADIBERITAHU

't . Tuliskannombor kad pengenalandanangka gifiran anda pada ruangyangdisediakan.Kertas soalan ini adalah dalamdwibahasa.Soa/an dalam Bahasa lnggerismendahului soalan yang sepadandalamBahasaMelayu.Calon dibenarkan meniawabkeseluruhan atau sebahagian soalansamaada dalam Bahasalnggeris atauEahasaMelayu.Calondikehendakimembacamaklumatdihalamanbelakangkertassoalanini,

4.

KodPemeriksaBahagian Soalan MarkahPenuh MarkahDiperoleh

A

1 42 5345 1T6 e7 10I tz

B I 2A10 zvc 11 2A12 20

Jumlah

453112@2o1oHakcrptaJPNJ

Kertassoalaninimengandungi28 halamanbercetak

[Lihatsebelah


28/82

Thefollowinginformationmaybe useful.Thesymbolshavetheir.usualmeaning'Maktumatb6rikutmungkinb6rfaedah.Simbot-simbolmempunyaimaknayang biasa'SULIT

v-u1. A= - t2. f =8 +zas3. S=Ut+:af24. Momentum= mY5. F=ma6. KineticenergylTenagakinetik

=%mf7. Gravitationalpotentialenergy/

Tenagakeupayaangraviti=mgh

8. Elasticpotentialenergy/ ITenagakeuPaYaankenYal=T.r,enefgy9. Power,P=-;:ume

Kuasa,"= 1_-_f i .o=L

' f,v

11.PressureI Tekanan,P= 4ll12.PressureI Tekanan,P=hqg13.HeatlHaba,Q= mcA14.HeatI Haba,Q=rnl

PV15." = constantI PemalarTto. r= t ln ismr

real deothi7. n= apparentde?thdalamnyatan= e dalamketara

19.Linearmagnification/Pembesaranlinear,m=!u

45s112

18.!=l* lf uv

20.21.22"23.

24.25.za.

v=fA.axA= - DQ=ltE=VQ

V=/RPower lKuasa,P=lVg = 10ms'z

Nr=Y"Np ve

EfficiencyI KecekapanIV= jl--!- x 1000/oI oYo

E=mczc = 3,0x 10Ems't

27.28.

29.30.

453112 @2o1oHakciptaJPNJ SULIT


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SULIT 4531t2

SectionABahagianA[60marksl160markah)

Answerall questionin thissection.Jawab semua soalandalambahagianini.I Diagram1 showsa tickertapeproducedwhena trolleymovealongan inclinedrunway,Raiah1menunjukkansatupitadetikyangdihasilkanapabila sebuahtrolibergerakmenurunilandasancondong.

. . . . r . . . . I Tickertaoe; I Pita detik5 crn

DiagramIRajah I(a) Gompletethesentencebelowby ticking1{1tnecorrectbox.Lengkapkanayatdi bawahdenganmenanda$1 aaAmkotakyangbetut.

The type of currentusedfortickertimerJenisarusyang digunakanolehjangka masadetikalternatingcunent.arusulangalik.directcurrent.arusferus, 11mark)11markahl

11markll1markahl

nn(b) OnDiagram1 mark'X' toshowonetick.

PadaRajah1 tandakanX' untukmenunjukkansatudeilk.(c) Basedon Diagram1 determinethevelocityofthetrolley?BerdasarkanRajahI tentukanhalajutroliitu?

12narksl12markah)

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suLlT 4 4531122 Anexperimentis carriedoutto investigatetherelationshipbetweenthepressure,P and- tfreieinperature,gofa fixedmassof agas.Thegraphofpressure,P againsttemperature,0obtainedis asshownin Diagram2'Satuekspenmen-ielahdiiatankanuntuk-mengkaiihubungan.antaratekanan'P dansuhu,Qb'agisatuiisii gis tetap.Grafbagi{ekanan,F melawansuhu,0 diperolehi

sepertidituniukkanPadaRaiah2.

0("c)

(a) (i)

Diagram2Rajah2what isthevalueof temperature,Iowhenthepressureofthegasis zero?ApakahnilaisuhuTs,apabilatekanangasialahsffar'

[1 mark]11markahl(ii) Whatis the namegivento Is ?ApakahnamaYangdiberikanPadaTo?

[1 mark]U markahl(b) Namethephysicslawthat explaintheobservationof theaboveexperiment'.Namakanhukumfizikyang menerangkanpemerhatiandalamekspertmendiafas.

(c) ln thespacebelow,sketchthegraphofpressure,Pagainsttemperature,0whenthetemperatureof agasisexpressedinKelvin'iaaa ruangandi baiah,lakaikangraftekanan,P melawansuhu,0apabilasuhubagisafugasdinyatakandalamKelvin'

[1mark]11markahl

[2 marks]12markahlSULIT

P (Pa)

453112@?o{oHakclptaJP}'IJ


31/82

sulfr 5 4$1t23 Diagram3.1showsthepatternof thewaterwavewhenthe waterwavespropagatedfromthe seato the beach.Raiah3'1 menuniukkancorak bagigetombangair apabitagelombangair merambatdartlaut ke pantai.

CapeTanjungBeachPantai

Diagram3.1Rajah3.1Namethephenomenonthatinvolvedintheaboveobservation,Namakanfenomenayangterlibatdalampemerhatiandi atas.

[1 mark]11markahlwhy arethewaterwaves_followtheshapeofthebeachwhenitspropagatedfromtheseato thebeach?lengapallahgelombangairmengikutbentukpantaiapabilaiamerambatdai tautkepantai?

[1 mark]11mar4ahl(c) which of the followingphysicalquantitydecreaseswhenthe waterwavespropagatedfromthe sea to thebeach?Tick({ ) in the conectbox.fulntiti fizi\ u.angmanakahakanberkurangapabilagelombang air merambatdailautke pantai.Tandakan(.,1) padapetakyang betul.

BayTeluk

(a)

(b)

SpeedLajul l

WavelengthPanjanggelombang FrequencyFrekuensi

[1mark]11markahl

ILihatsebelahSULIT

tt(\ \1---r

4631t2 @2o1oHakcipraJpNJ


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SULIT 453112

[2 marks]12markahl

[2 marks]12markahl

(d) Thewaterwaveswitha wavelengthol 1'2mtravelswithvelocity2'5 ms'' fromtheseato tneOeacii.'if'l u"iorit! of tne'waveswhenreachingthebeachisL3,ii;"n airdensanpaniang.getom!ano1'2m b,e'rgera-n^!3nn"'hataiu ' '2.bms-1daritautke pantai.Halajugtb;iitng "pabili menghampiripantaiialah1.8ms't.Calculate'Krakan,(i l thefrequencyof thewaterwavesfrekuensigelombangairitu'

(ii) lhe wavelengthwhenreachingthebeach\"/ pirt"ig geimbang apabilamenghampiripantai'

Diagram4.1 showstheuseofa transistorinacircuit'Rajah4.1menuniukkankegunaantransistardalamsuatulitar'

Rr= 1500Cl

Diagram4'1Raiah4'1(a) Namethetypeof transistorused'

Namakanientstranslsforyang digunakan'11narkl

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SULIT 7(b ) Thetransistoris switchedonwhenthebasevoltageV2> 2V

TransistoritudihidupkanapabilavoltantapakVz> 2V

4531t2

(i) Writean equationto showtherelationshipbetween/s,/6 and/6'Tuliskansatupersamaanuntukmenuniukkanhubunganantara/s, /6dan16.

11markl11markahl(ii) CalculatetheminimumvalueofRzwhenthetransistorisswitchedon.HitungkannilaiminimumRzapabilatransistoritudihidupkan.

[2 marks]12markahl(c) The resistorRzis thenreplacedwitha lightdependentresistor,LDR,whichhashighresistancewhenit is dark.

PerintangRzkemudiandigantikandenganpeintangpeka cahaya,PPC'yangmempunyairintangantinggiapabilagelap.(i ) statewhetherthebulbwilll ightupduringtheday.Givereasonto youranswer.Nyatakansamaadamentolituakanmenyalapadawaktusiang.Jelaskanjawapananda.

12marksl12markah](ii) Besidesbeingusedas a switch,stateotheruseof a transistor.

Setaindaripadadigunakansebagaisafusuis,nyatakansatukegunaanlainbagitransistor.ll marl411markahl

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34/82

SULIT 4531t2DiagramS,1and5.2showthedeflectionofaradioactiveemissioninanelectricfield.-ftriri S.t aii Rajah5.2menuniukkanpesongansatupancaranradioa$ifdidalamsuatumedanelektik.

RadioactiveemissionPancannndloaftilRadioactivesource

Diagram5.1Raiah5.1Whatisthemeaningofradioactivity?Apakahmaksud keradioaktifan?

Diagram5.2Rajah5.2(a)

11matul11narkahj(b) UsingDiagram5.1andDiagram5.2,MenggunakanRaiah5.1danRaiah5,2,

(i) statethechargeoftheradioactiveemissionnyatakancaspancaranradioaktifitu[1mark][1markahl

(ii) comparethevoltageof EHTandthedeflectionof theradioactiveemission'bandingkanvoltaiVLTAanpe$onganpancaranradioaktif

[2marksJ[2markah](c) statetherelationshipbetweennyatakanhubunganantara

(D thevoltageof EHTandtheskengthof theelectricfieldbetweentheplates,voltanVLT dengankekuatanmedanelektrikdi antaraplat

[1mark]11mar4ahlSULIT

Platlogan

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SULIT 4531t2

(ii) the strengthof theelectricfieldbetweentheplatesandthe deflectionof theradioactiveemissionkekuatanmedanelektrikdi antaraplatdenganpesonganpancaranradioaktif

I markJ11markahl(d) A radioactivedecayinvolvingtheRadiumnucleusis givenbyPereputanradioaktifyangmelibatkannucleusRadiumdi berikansebagai

22286Rn +XWhat is X?ApakahX?

I mark]11markah]Diagram6.1showsihe arrangementofYoung'sdouble-slitexperiment.A sourceofwhitelightisdirectedthrougha redfilterto producea monachromaticlight.Rajah6,1menunjukkansusunaneksperimendwi-celahYoung,Satusumbercahayaputihditujukanmelaluipenurasmerahuntukmenghasilkancahayamonokromatik.

226gE Ra --)

Re d fltetPenurag merah Oouble-slitplatePlatCwi-celah l".---"--'I Screen-_,=_1

tu',n

Diagram6.1Rajah6.1Diagram6.2 andDiagram6.3 showtwodoubleslitwhichhavebeenusedintheexperiment,Rajah6.2 dan Rajah 6.3 menunjukkandua dwi-celahyangdigunakandalameksperimenini.

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sut-tr 10 453112

>'-lI ti I ooubrestit I | | J* f.ubre,sritL..-jl I Dwi-cetah t--jl I Dwi-cetahT-J

Distancebetweendouble'slit Distaneebetweendouble'slitJarakantaradwl-celah Jarakantaradwi


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SULIT

(c) (i)

(i i)11 453112

Diagram6.4andDiagram6.5,comparethedistanceof twoconsecutivedarkfringesseparation,x1and x2.Rajah6.4 danRajah6.5,bandingkaniarakpemisahanantaraduapinggirgelapberturutan,xt dan x2.[1 mark]11markahl

Statetherelationshipbetweenthedistanceof slitseparation,a, to thedistanceof twoconsecutivedarkfringes,x .Nyatakanhubungandi antarajarakpemisahancelah, a, denganiarakpemisahanantaraduapinggirgelapberturutan,x .

(iD[1 mark]11markahl

Stateoneconstantvariablein theexperiment.Nyatakansatupembolehubahyangdimalarkandalamekspeimenini.

[1mark]11markahlNamethephenomenonof lightthatproducesthefringepatternin Diagram6.4andDiagram6.5.NamakanphenomenoncahayayangmenghasilkancorakialurdalamRaiah6.4dan Rajah6.5.

.[1mark]t1markahlExplainhowthe fringepatternin Diagram6,4 and Diagram6.5 are formed.TerangkanbagaimanacorakpinggirdalamRajah6. 4dan Rajah6.5 terbentuk.

[2 marksJ12markahl

(d )

(e)

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12 453112SULITDiagram7.1showscross-sectionalof a wingof a movingaeroplane.Thewingofaeroplaneexperiencesa liftforce.FiiTii.,t i{iriirkkai siatukeratanrentasb"s!:yv:P::2uahpesawatudaravanssedangbergerai. Sayappesawatudaraitu mengalamidayaangKaI'

Diagram7.1Raiah7.1Namethe cross-sectionin Diagram7'1'NamakanbentukkeratanrentasdalamRaiah7'1(a )

(b)

11markl11markahJln Diagram7.1,PadaRajah7.1,(ii) Drawandlabelthedirectionof theairflow'

Lukisdan tabetkanarahaliranudara'

Labelthe regionof highandlowpressure'-[iAax", kiwasantekananudaratinggidanrendah'

Usingan arrow,showthedirectionof the liftforce,F,iendginaxan anakpanah,tuniukkanarahdayaangkatF'

(iii)

(iv)

[1markl11maftahl

['1markll1markahl

[1mark]11markahl

453112 @2o1oHakciptaJPNJ SULIT


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SULIT(b) Diagram7.2showsa Bunsenburnerburningwithyellowflameisproduced,Rajah7.2 menunjukkansebuahpenunuBunsenmenyaladengannyalaankuning.

Air flowAliFnudaraOrificeLubangudara

Jst

Tlub ga8

Diagram7.2Basedon Diagram7.2, Rajah7'2BerdasarkanRajahT.2,(i ) Explainhow a blueflamecanbe produced,Terangkanbagaimananyalaanbirudapatdihasilkan.

13markslt3markahlSuggest one modificationto the bumerto producebiggerflame,Givereasontoyouranswer.Cadangkanonepengubahsuaiankepadapenunuitu untukmenghasilkannyalaanyang|ebihbesar,Jelaskanjawapananda.

13 453112

Air \o*udafaF

(ii)

12marksl12markahl(iii) Statethephysicsprincipleuseina Bunsenburner.NyatakanprinsipfizikyangdigunakandalampenunuBunsen.

11markl11markah][LihatsebelahSULIT453112@2oroHakcipraJPNJ


40/82

suLtr 14 453112g (a) A studentcarriesout an experimentto investigatethe relationshipbetweenpotentialOiiJience,Vandcurient,lacrossa wire.Diagram8'1showsthegraphobtainedfromtheexPeriment'secirangp"iiiii*i'ii^ilankan satueksperimen.untukmengkaiihubungan?n?ranezaxeupa,i'alr,i-iling", arus,tmerenfasisafuwayar.Raiah8.1menuniukkangrafyangAiperotehidaripadaeksperimenitu'

Potentialdifference,V/ VBezakeuPaYaa,V/ V

Statethelawinvolved'NyatahanhukumYangtedibat.

Cunent,l/ AArus,l/A

11markli1 narlcahl

Diagram8.1Raiah8.1

$tate the relationshipbetweenpotentialdifference,V andcunentl.iiataxan hubungai antarabezakeupayaan,V dan arus,I'(i )

(ii)

l1 markl11markahl

453112@t2o1oHokciptaJPNJ SULIT


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SULIT(b)

15

Diagram8.2showsa circuitconsistsof electricalappliances'. . ..niai"nA.Zmenunjukkansatu1itarmengandungiperkakasanelel


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16 453112

(i i ) l f theelectr ic i tycost isRM0'218perkWh'calculatethetotalcostforoneffllL, ebr


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SULIT

453112 @2otoHakciptaJPNJ

17Calculatethecunentflotrinthe cable.Kra arusmengalirdalamkabel.

12maftsl12markahlFromTabla,2,selectthemostsuitablediameterofeledriccablefortheelectrickettle.DaripadaJadual2, pilih kabeleleWrikyangmempunyaidiameterpalingsesuaiuntukcerekelaktrikini.

ll narkl11markahl

lLihatsebelahSULIT


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18

Diagram9.2Rajah9.2

453112

11markl11markahi

SULITSectionBBahagianB[20 rnarks][20 marknh)

Answerany onequestionfromlhissection'Jcrwab*on,,.^ino satusoalandaripadabahagianini'Diagramg. lshowstheeffectofamanfa| |sfromahighposi t iontothegroundwithoutopeningtn" p"i"".r,i,i".oLgr"m 9.2showsa manwiththesamemassfalls;;ilth" '4"m6 neightwhenthe parachuteis open'Raiah9.1 menuniukkankesanorangyanqiltlh dari tempatyang tinggike tanah ,apabitapayung,"rlun'iiAii t"riut


45/82

, to 453112

ILihatsebelahSULIT

f t )AhovercraftmovesonacushionofairwhichistrapPgdunderneathi t ,asshown\v, i" 'oiiiil|n g.i. rt " irupp"oairreducesthefriction.'Thehovercraftstartsfromrestandas it starts,ir,eiropetterproducesaforwardforceuntil it reachesaconstantvelocitY.sebuahhoverkrafbergerakdiataskusyenudarayangterperangkapdi bawahnyasepertiaituniuxxiiiitii nri"n93 . iJ.daravyq 9io"ru',gkap.mensgurangkangeseran.uoveriar*ae;g"^i darikeadaanienatdansetT?asaiabergerakkipasyang berputiliJ'ngi'i"itkundatyake hatdapansehinggaiamencapaihalaiusekafa.

SULIT

453112@2o1oHakciptaJPNJ

(i )

(ii)

cushion0f airRusyenudaraDiagram9.3Ra1'ah9.3

Sketcha velocity-timegraphto showthe-motionof hoveroaft'tiiiixin grarnauiu'iai'iuntut


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SULIT(c)

20Diaqram9.4showsa canoen:ai6ng.l menuniukkansebuahkayak

KaYakofj':1ifn;o

Youarerequiredto givesomesuggestionsto designa canoewhichcantravelfasterandsaferUsinqthe knowledgeon motion,forcesandthe propertiesof materia|s,exp|ainthesugglstionsbasecion thefollowingaspects:Andadikehendakimemberikanbeberapacadanganuntukmerekabentuksebuah'iiiif"i"ig atobhbergeraktebihtaiudansetamatMenggunakanpenget'iiian tentai gge rakan' dayada1gtrafstfatbahan''iirrigiri titaLnginiiuvangmeranixumiaspek-aspekberikut:(i ) thesurfaceof the canoeoermukaankaYak

the shapeof thecanoebentukkaYak

thematerialof thecanoebahanYangdigunakanuntukkaYa4

(iv) thesizeof a PeddleSaizPendaYung(v) materialusedforPeddleBahanyangdigunakanuntukpendayung

453112

[10marks]110markahl

(ii)

(iii)

453112 @2o1oHakciPtaJPNJ SULIT


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SULIT 4531t210 Diagram10,1 andDiagram10.2showtwo identicalelectromagnefs,XandY.Thecunentflow in electromagnetX is 2 A andthecurrentflowin electromagnetY is 3 A.

Raiah10.1dan Raiah10.2menuniukkandua elektromagnetX danYygngs?ryPa.Aris yang mengalirmelalui electromagnetX ialah2 A dan arusmengalirmelaluielektromagnetY ialah 3 A.Metalcore

\lron filingSerbukbesi

21

Metalcore

Diagram10.1Rajah1Q.1 Diagram10.2Rajah10.2

(a) Whatis themeaningol electromagnet?Apakahyangdimaksudkandenganeleldromagnet? 11markl11markah)

(b) UsingDiagram10.1 and Diagram10.2,comparethe amountof iron filingsattracted,currentflowandthemagneticfieldstrengthof thetwoelectromagnets.Relatethe currentflowwiththemagneticfieldstrengthto makea deductionon therelationshipbetweenmagneticfield strengthand the amount of iron filingsattractedin thissituation. [5 marks]MenggunakanRajah10.1 dan Raiah1a.2,bandingkankuantitiserbukbesiyangmeleiat, arus mengalir dan kekuatan medan magnet bagi kedua-duaeleKromagnetitu.Hubungkaitkanarusyangmengalirdengankekuatanmedanmagnetuntukmembiatkesimpulantentanghubunganantarakekuatanmedanmagnetdengankuantitiserbukbesiyangmelekatdalamsituasiini. l5 markahl

ILihatsebelahSULIT

fronnfingl

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SULIT 22(c) Diagram10.3showsan electromagnetcrane'naian$.g menuniukkansebuahkreneleWromagnet'

ScrapmetalBesiburuk

Diagram10.3Raiah10.3Explainhowtheelectromagnetcranecanbeusedto lifiscrapmetal. V narkslTerangkanbagaimanakrenelefiromagnetitudapatdigunakanuntukmengangkatbesiburuk, 14markahl

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SULIT 453112

[10marks]fiA markahl

(d) A manneedsan adaptorto chargehis handphoneas shownin Diagram10'4'The transformerinsidethe adaitor is usedto reducethe 240 V alternatingcurrent(a.c)to 12V directcurrent(d'c)'seorangielakimemertukanpengecasuntukmengecastelefonbimbitnyaseperliyangd-i tunlukkandalamRajahf i .4.sebuahtr l .ngforygrdidalampengecas'diginakan'untukmenurun*anzlo V arusutangalik(a.u)kepada12Y arus terus@,4.

Diagram10.4Raiah10.4Usingtheknowledgeof a transformerandrectifier,suggestand explainhowto bu-ittanadaptorlvhichcanbe usedto chargethehandphone'Menggunakanpengetahuantentangtransformerdanrektifier,cadangdanteraigXanbagaimatnauntukmembinasebuahadaptor(pengubah)yangdapatdigunakanuntukmengecastelefonbimbititu.

(i ) ThetyPeof transformerJenistransformerTheratioof numberof turnsinprimarycoiltothenumberof turnsinsecondarycoilNisbahbiianganlilitanpada gegelungprimerkepadagegelungsekunderThetypeof coreJenisferasTheelectroniccomponentthatshouldbeconnectedto the outputof thesecondarycoilKomponenelektronikyangperludisambungkankepadaoutputgegelungsekunder

(v) The materialof wireusedEahandawaidigunakan

(ii)

(iii)

(iv)

ILihatsebelahSULIT4531/2 @2o'toHakciptaJPNJ


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SULIT 453112

[1mark]ll markahl

[4marks]14marhahl

[1markJ[1markahl

SectionCBahagianC[20marlcs]l2Amarkahl

Jawahmana.manasatusoalandaripadabahagianini.11 Diagram11.1showsAlistandingattheside a pond'Alicanseetheimageofthefishandthaimageof t'h];;i-*-flyin thewatir'dsshownbytheraydiagram'

Rajahll'lmenunJukkanAli.berdiriditeeikolam..A'tiaaytyetlnatimejiftandanimeilpri*g didabm;i sepeftivangdftuniukkanalehraiahsinar'

(a) (t(ii)

(b) (D

Diagram11.1Raiah11'1Whatis themeaningofvirtualimage?ApakahmaksudimeimaYa?ExplainhowAli cansee.thein"gg,P{!l9.fishandtheimageofthedragon-ny.'St"t"tnt phenomenonoflightthatis involvedineachcase' [4marks]TerangkanbagaimanaAtidapatmgti$tiy:!,'!"'dan imeipepatung'iyitixrn fenimenacahayayangtedibatdalamsetiapkes. V markahlCaJculatetheangle0 andaI Refractiveindexofwateris 1.33]Hitungsudut0 dana 'I tndeksbiasanairialah1'331Stateonecharacteristicoftheimageofthedragon-fly'Nyatakansatuciribagiimeipepatung'(ii)

453tn @2010HakciptaJPNJ SULIT


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SULIT 26 453'l12

11marki11markahl

12 As a researchengineerin a factory,youareaskedto investigatethecharacteristicsofseveralsubstancesin orderto producesemiconductorswithbetterconductivity'sebagaiiuruterapenyelidikdi sebuahkitang,ka"ryydikehendakimengkaiiciri-ciri.beberapabahanun|ti7 mengnasitkansemiilonduktoryangmempunyaikekonduksianyangtinggi.(a) Whatis meantbYsemiconductor?Ao akahmaksud semikonduktor?(b) Nametwotypesof semiconductors.Explainthedifferencesbetweenthistwotypesof semiconductors [5 marks]Namakandua ieniissemikonduktor.Jelaskanperbezaandi antaraReduanya' . .l5 markahl(c)Tab|el|showsthecharacter.rst icsoff ivesubstancesP'Q'R'SandTJaduat12 menuniukkancirilima bahanP, Q R, S dan f

CharacteristicsCiri

SubstanceBahan

ResistivityatooC1pocmKerintanganpadaooc/pocm

MeltingpointfCTakatleburf C

ElectronvalenceofthedopingsubstanceElektronvalensatompendopan

Sizeof thedopingatomcomparedwiththesizeof theatomSizeatompendoPanberbandingsaizatombahanP {n o 100 4 VerybigSanoatbesaro tv 600 ? AlmostthesameHampirsamaR 10'o 800 4 BigBesarS 10' 120 2 VerysmallSanqatkecilT 10'" 300 z SmallKecil

Table12Jadual12Explainthesuitabilityof thecharacteristicsof thesubstancesto be usedin theoiJor.tionof a semiconductorwithbetterconductiviiyanddeterminethemostsuitablesubstanceto be usedJelaskankesesuaianciribahanyangakandigunakanuntukmenghasi|kanEemiconductoryang mempunyii kei


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SI'UT 483112(oAnexrrahighvo|tage(EHT)supp|ygives4kVacrosstheanodeandthecathodeof a vactlumtube.

Sattvoltan|ampautinggi(VLT)4kVmerentasianoddankatodsebuahtiubvakum.11markl11markahl

27

(i) Namethe Processthatoccurs.NamakanProsesYangberlaku.(ii)calculatethevelocityof theeleclronwhenit reachesthe anodetube'Imassorelectron,';":;.;"iirH rg,tn"'gJ;iire"tron'e' 1'6x loiec]

Kra hataiuelectronapabilaia sampaiketiubanod'fiislmsatuetectran,";:;J;i#rig, ut-;"tu electron'e = 1'6x lo1ec1[3marks]l3mad


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453113SULITSectionABahagianA[28marks128markahl

Answeral l questionsin thissection'Jawabsemuasoalandalambahagianini'I An experimentis caniedout to investigate$le relationshipbetweenthe heightof air insidethetu1e,fiandthe frequencyof soundwave,/ generated.The air pumpis usedto blowthe air ontop of the tubeso tirat it will producea sound. The soundis thendetectby a microphoneand thepatternof sound**u" it displayedon the screenof CRO. The anangementof the apparatusforihisexperimentis shownin Diagram1.1..Safuekspenm*n jiiittn'irnTiiui ,rnervkajiperkaitandi antaraketinggianudan dalamtiubujikaji,rt dan frckuinsibunyif, yang dikeliad


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Diagram1.2 showsthe exampleof illustrationof thewavepa$ernfrom the CROscreen.Rajeh1.2 menunjukkansatucontahilustnsicorakgelombangdai sknnASK'

\| | | iI tr t t

: \ i t ti iI i ' ii-* :b -tl I!id,

Scale:1 square= tcm x 1 cmd"= 4.0 craT :4.0 cm(0.05s cm-';= 0^2Osf =1=j-=5.oHz"T0.2

Diagram1.21Rajah1.2SO.O-cmand the pattem of the wave producedon the CRO'sscreenis shownin Diagram1-3.The experimentis then repeatedby usingdiffer"entheight,h= 25.0 cm,2O.0em, 15.0cm and10.0cmandtheconespondingpattemof waveis shownin Diagram1.4,1.5,1.6 and1.7.Eksprirnen ini dimulakandenganketinggianudan, h = 30.0cm dan corakgelombangterhasilditunjukkanpada skin OSKdalam Raiah1.3.Eks$eimeninikemudiannyadiulangdenganmenggunakankeftnggianyangbedainanh= 25.Qcm,2A.Ocm,15.0cmdan 1A.Acm.

SULIT

| !l

r..nfrd,Diagram1. 3| Rajah 1.3

Diagram1.4t Rajah1.4

Scale:lsquae=1cmx1cm6 = 30.0cmd'= .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .cmf=

Scale:I square= lcm x 1 cmfr =25.Ocm

4531'3

[Lihat halamansebelahSULIT

Hz_f-

d"-T-

J- Hz

\ iY!- 7d.

4531/3 @zoto Hakcipts lpwl


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I\ Ii\-,:\. Jd,Diagram1.5| Raiah1'5

Diagram1.6/ Raiah1.6

Diagram1.7 I Raiah1.7

Scale:1squarc=lcmxlcmfi. =2A.Ocrn

Scale: lsquare=lcmxli . =15.0cmd'- . . . . . ' . . . . . . ' . . . . . . . . . . . . " " " 'cmT=

f=

Scale:1 square=1cmx 1 cmy'i = 1A.Ocm61,'=T-

.f* Hz

(a)Forthe experimentdescribedon page2,3 and4 identifu:' ' Bagiekspbrimenyarryditenngkandi halaman2,,Sdan4 kenalpsti:(i) ThemaniPulatedvariable,PemboIehubah ditnaniPurasifta,?'

ll madill marlcah\SULIT

Itf

ir, Jd,

/ \tl \ iI!r

del i

453113 @zoloHakaptatPut


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SULIT 453113(ii) The respondingvariable,Pembolehubah bergerakbalas,

11mart


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SULIT 4531t32 A studentcaniesout an experimentto investigatethe relationshipbetli/eenthe pressuresin liquid,P and depth,h of liqu:idX. Theresultof theexperimentis shownin fre graphpressure,Pagainstdepth,has in Diagram2.1on Page8.Seorangmurid sedangmenjatankansafu ekspenmenuntuknrerrykaiihubungan-diantantekanandalam Cecair,Pdan kedata'man,h.Keputusaneksperimenditunjukkanolehgmf tekanan,Pmelawankedalaman,h padaRaiah2-1di hakman 8.

fa) Basedon thegraphin Diagram2.1Berdasa*angnf padaniah2.1.(i) l/t'hathappento P whenh increase?Apakah Wng berlakukepadaP apabilah beftambah?[1 mark]llmarkahl

Determinethe value of P whenh = 0.53 m - Showon the graphhow you determinevalueof P.Tentukannilai P apabik h = 0.53 m. Tuniukkanpadagraf bagaimanaadamenentukannilaiP.

p= [3 marks]13ma*ahJ

fb)Thepressurein liquid,Pis givenby theformula,Tekanandalam cecair,P diberi aleh rumus,P=hpg\Mrerep is densityof liquidandg is gravityDimanap ialah ketumpatanc.dirAin g iutangnviti..(i) Calculatethe gradientof graphP againsth. Showon the graphhow you determinethegradientof graPh.HitungkanRecerunangnf hagiP melawanh. Tunjukkanpadagnf bagaimanaandamenentukan kecerunangnf.

[3marks]13markahl

halamansebelahSULIT

(iD

4531t3 @zatoxok ciptatpr,tt [Lihat


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l' r ': -f - r ' r ' iI

t.l7iI.t ."- "j.: i "--'' r , -l ' i r- i'r - i i " i ' ! "1-, ' : ": :_ 1: ';^"1 ' ,'-:. ' i.- l.-.".f.r.r- i i_..i."r-r" , - : . . . ii . . . ; :

P/ Nm-2. :*-i i : ' -. i

; i I ,

t ' . '1 i:j-"::": ri - - : . ' . . . i . i

.\- 'r.- '--:-:-'a : i'

-" i --j ,

*: j ' : ".

*, . i -; ; ,1. l. i ;. i . . ! .

T i 1--i

; .!..;....,.. ,. :.. ..:.. i..;..;-.-4-.:. ; . . r. . : . . . . ;.. . :. . i. .. -. . i . i -,*i -; -. , -

- ' ,' '1. . . . . . i . . . i . ; . . ,t i| | t t' . "r- ' i : ' - - :- !i f : - " i I. ' ' : ' lJ" i ' i ' ..1.-:. :";!- '-:-i-i-i"r-: r' J

I r"i '1 " l"' . i . r. r_: : _

- i '; i I - -r ' :i i -1- ' - ; . '; t -' i t ' :1_ l '_'i t 'i - - , t t : -: i

a ;. ; . t . -l .- : I ";:1,':;-;": - t . . ' i ' . . , -

-! ."r-: i :"1: i: : . t - : i . ; , i" ' i' , . ,1 ' ' ,a

': ". -. ' l 'T. ; . . . ; . . . :. 1. .l'i a * ":_:

-" . - - . . . .; , i

!. i i - i . i '-t ' t , ' r l, ir "- ' rl -

l_-i i:'i l - : - ' i

' . ) 'i :"- : i i1 i r- '.n -i

t -i .1. '- a' r ' i J - : r I' i -1 r ' : l- i. . . : . , : - -. "t . "i:_: : t _'. : --! . i . -: : i

i : . i . . ". : , -l -i., -. I ..,-.r.;.ii: : : t . i.! : r. l r i , {,

". . 4 : . i :,i-::I l ;...;I I ' i i i: :i " : . t , t , t: , : : . ; . .l . ; l : i , .11

i" l ,:' j1.: r ,..r..1' . " /7l . :1 . ': ' ':1. . .. . .. -. . n -r - - -:i . . . , - ' - 'i -f"1 :- 'r*"":":| - : -i ^ :- ' :. i . . . . . . - . i - . . i -, -;

. ' . ' ' . .1'."-.; : i . i . . i , . . . '

-:i l.. i . : . - i - . : . . ; * i " .

, ! . i . i .t . i . . r

:-1.. i .-: t-] . .t...".. 1,,.: : ,j .

, . . i .; : ' l: .; r,": ' ' 'r' : - : I

: "1." . .: .L. . l - f, . ', : .l .i i . . ri=,,iiii/, i ' " : ' , i r-:*! . ; . : . .1-i . i . . .1 i. l1.,, , , i : , . . i5- . ' - : : : '- :

3500

4500

/to00

3mo

2500

2000

15q)

10cx)

500

Graphof PagainsthI GrafP lowanh

dr6:-o.3 0.4 o.s 0.6 o-7 hlmDiagram2.1RajahT.\ SULITt[531f3 @zon nakciptatpltt


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SULIT(ii) ByusingtheforrnulaP='149"-Ff,"va|ueobtainedinb(i).Calculatethedensityli{uidX, p. Giveng= 9.8Nkg-''Denganmenguna4anri,ir" F=,r'Og dannitai lce,",Htmndi b(i).Hitungkanketmpatanndirx, p. -areri g =9'8 Nkg''

[2marks]12maftahi( i iDByusingtheformu|aP=hpgandva|ueofpinb(i i) , f indthepressurein| iquidXat2 m dePth'DenganmengunakanrumusP=hpgdannilaipda|amb(ii),kinkantekanandalamcecairX Padakedalaman2m'

[2marksJ12marl


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SULIT t0SectionBBahagian B[12marks]112 markatr)

Answeranyone question'Jawabmana'manasatu soalan-The time suggestedto answerthissectionis 30 dnutes.Masayang dicadanEkanuntuk meniawabbahagianini ialah39 minit-

4351R

[1 mark]11markahl

[1 mark]ll ma*ahl

3 Diagram3.1 showsa halfglassof hot coffeethat is leftfor ten minutes.Diagram3.2 showsa fullglaJsof similarhot cofieethat is leftfor the sametirne. lt is noticethat the hot coffeein Diagram3.1 coolsdownfasterthanDiagram3.2'Rajah3.1 menunjukkanseparin gelasair kopipanasWt|g dibiarkanseiukselama*puluh minit'Cijang.Z menuiiukkansegetasairt


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ln yourdescription,stateclearlythe following;Oitam penen)ngananda silanyata derryanielasp*a6-prk4'6 berikut;(i) Aim of the experiment.TuiuaneksPerimen.(ii) Variablesin theexPeriment'PembolehubahdalameksPeimen'(iii) Listof apparatusandmaterials.Senaraindas dan bahan'(iv) Anangementof theapparatus.

Susunanradas.(v) The procedureof the experimentwhichincludethe methodof controllingthemanipulatedvariableandthe methodof rneasuringthe respondingvariable' . ..prosedurekspeirr',enternpsuk kaedahnengawalWmboleh ubahdimanipulasikandan kaedahmengukurpembolehubahbergenk balas'(vi) The way you wouldtabulatethe data.Carc andaakan meniadualkandata.(vii) The way youwouldanalysethe data.Carcandaakan menganal'sisdafa- [10marks]l1Omarkahl

halamansebelahSULIT4$1f3 @2070t+akciptotPt'tt [Lihat


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SULIT 12 435113

I lmark][1 markahl

[1 mark]f'l markahl

4 Diagram4.1 showsa workerliftinga loadusinga reeland a pulley.Theworkernoticesthatit takesa longertimeto lifta heavierloadto the topof the building"Rajah4.1 menunjukkanseomngpekeriasedangmenaikkan behandenganmenggunakangeiendungaan t6*at. Pekerjaiiu rnendapatibahawadia menlefiukanmasayarrylebihpanjanguntuk menaikkanbebanyang lebih bent ke atasbangunanitu-pulfeyy' takal

t: ii. i

-7load /bebanDiagram4.1Raiah4.1

Basedon the situationabove,Berdasarkanslfuasidi atas,(a) Stateone suitableinference.Nyatakansatu inferensyang sesuai

(b) Stateone appropriatehypothesisthatcouldbe investigated'Nyatakansatu n,potesrsyang sesuaidan bolehdistasaf.

(c) Wth the useof apparatussuchas d.c.motor(12V),slottedweightand othersapparatus,describean experimentto investigatethe hypothesisstatedin 4(b).Denganmenggunakanndas sepertimotora.t.(12V),iisimberbebandan radaslain,tenigkan siti et


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SUUT

(v)

4,5:Ht3

Anangementof the apparatus'Susunanradas,The procedureof the eperiment, whidr includesthe methodof controllingthemaniputateAvariableandthe methodof measurirg the resPondingvarbble'iroi*ur e*sperinpn termasukkae/. ,h nrerryawalpembotehubahdimasipulasidan kaedahrrengukurpenbolehubah bepere,kMIas.

The ranyb tabulatethe data,Can untukneniadualkandab,The way to analysethe data.Can untuk menganalisisdata-

[10marks]l1Qma*ahl

ENDOF QUESTIONPAPERKER77TSSOATANTAMAT

Ilihat halamansebelahSt,LIT4531r:l @zafi uakciptatPNt


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JABATANPELAJARANNEGERIJOHORr-dr"-.-&,rvJffi"

MARKINGSCHEMEPEPERIKSAANPERCUBAANSIJIL PELAJARANMAI.AYSIA2O1OPHYSICSKertast lz lSOgos/September


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MarkingScriPtSECTIONAQuestion 1

Question2

Markonetic[ a'! two consecutivedotsSfiowsconect calculationellfV= 5 ll _?0.02x 5 0,1ffier win canectunit:=socms'1 ' / /o '5ms1

To = -273oQAbsolutezeroPressurelawy-axis:P (Pa)x-axis:T (K)


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v,t)\. lo

Question3

waterto'theBecausethe waterwavespropagateTroshallowwater// changeofSow-s correctsubsfifufion:f = v/tr. E --!.Otenswerwithconectunit" , r= 3,0Hz/ /3.0s'1 A.o? \ t 'Strowsconecfsubsfitufion:.2"= v/f | .= 1.8/3 'DAnswerwithcorrectunit'.=0.6m - 0"t

Question4

Sit=o n ls' 16and lEle+ lc= leShows-correct substitution :v., R2--L =6 R,+1500Answerwithcorrcctunit"The b{rh willnot lightuStafe fhe caffect reason.n"titttntu Rz!!-smatl// Vz is smatGiveoneof fheusesconectlYCurrentamPliftel


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---

Question7

TOTAL

m_ofailflgw.-...SFowidirec!ig!-q!-E

ssurea+'theandmixwithfrig#EtmosFhericpressurepushesIni

nt l / Vsi

ujl.E =PtShowscalculailoncE=i0.06x101i i0-o?fuofg::l ] lo^!n*,T),t,, ?-=iEo"-Iti i tsb-*ooji izociox3)+(ffixz+)ffiwith conectunit"= 1e.2kwh# 19?99vv! 16.sr*hll n.qhrf f iectr ic i tycost- Cost= 19'2x30x RM0'218Give 1 M if calcu!9!9-P9!ieConectanswer= RM125.568il RM125'57$J/* i C?j"l !e secondwhenT#AeAr,c kettlerelease2500J energconnectedto ?4qJ-P9Y9!i(c) (i)


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(ii) I Subsfifufeintoformula P = Vl2500=24AIl l I=250024422 Answerwithcarrectunit := 10.4167ll 10.417ll 10.42A(iii) 1 S 1

TOTAL 12


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SECTIONBQuestionI

The o underthe force of gravitYoqlThe acceleration 9.1 than Diaqram9.2(a) (ii) Therate Diaqram9.1morqlhan 9.2Thetime Diaqram9.1 morethan 9.2ffialler, the rate changeof momentumffi is large,therate changeof momentunt

Mt - correct axisM2 - correct shaPeof graPhTheforceforward= frictionTheresultantforceiszeroThe objectmovewith constantvelocity(anv two correct answers' give ?M)

10

modification reasonM1 The surfaceis smooth M2 ReducewaterresistanceM3 Aerodynamic M4 ReducefrictionM5 LowdensitY M6 LiohterM7 Biqpeddle M8 lncreasestheforceM9 strong N410 Noteasyto brokedown


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Question10Question Mark Description %

-:--%Al.eJect_rcmagwhi,c!willbemagnetizedwhena cunentfrowsthroughthecoirand dgmaonetizerJ whcn fha nrrraa{ ia ar.,:.^L-r ^a

TotalMarks(a) 1 1(b) 1 g_-----rr!.!vYg''v| l rlg9Yl| ]L]IEUU||^' | r'vurrr rrr r vr l rlrrg' a.,ra",eo In uragram 10.1 is smailer / ress// amountof ironfiringsattractedinDiigram10.2ishijnerrmore

5

2 vs,rsri{ i lrrw ri l ulagram lU,l lS Smallgf / lgSS3 rvray,'sr,ru.rerrrsrrengtnIn ulagram 10.1 is wgakgrtl Magnetic fleld strenoth in Diaoram 1o ) ie cfrann^.4 yyrlsrr u re uurrnrr rs nrgner, Ine magnetic fierd strength is5 vv'rer ur s rlragnerc flelg strength is stronger,th e amount of ironfilingsattractedis more,or vicEversa(c) 1 vrsr=r re.,*rnrr'ew mrougn in e solenoid, a magnetiefigld isproduced

423 Ine sCrapmetalattractedio thc i",.'r.E.o4 Whenthecurrenifficor.e d1 Cnid) l i -r t qt rstrJt tilttt sl,('[) C|gwnlo reduce the voltaoe fram 24o \/ii-?Err

10

23 Theratioot nuturnsin secondarycaLis240:'12il Zb : 1t O fgc!-ttCa the rrnl fr^a iraa naA \r-45

_ _,____ _.__ ,_,.yvv rrer i l a1 v y iu l4 VTyLeof coreis softironcore// taffiE? i6 Softiron.o* ,4Laminatediro.ncoreto reduieeddycunentLi lOOe ls t1nnnaFiar l ?n lha arr lnrr* -aT8 _ _ __.- -__-__ rv r..v vgtPvtio convertaltPrnatingcurrentouibUsecopperwireGood"l"*riheat

TOTAL

I10

20


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5

SECTIONCQuEstion1'l

Cannotbe shownon screen

fromthed nyreflectedbYwatergulf3ceatr!d= 9oo- 3oo= 60o sina'1 ?? = sin40'

-^qeOa = i6. {3

ffi istance/ latglqllyilyertgg

M9- TorchlightQ ischcsenMlo.becauseithasconcavemirror,bulbatpr incipal focus,batteriesconnectedinseriesandcopperconnectingwire

Characteristics ExolanationM1 Concavemirror M2 RefleetedraYisconverglngM3 gulbat princiPalfocus M4 RefiectedraYformaparallelbeal4-nfi5 Batteriesconnectedinseries M6

Produceslargercurrentl{17 Copperconnectlngwlre M8 Low resistance/ largecurrent


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(d)(i ) 1 Thermionicemission 1(d) (ii) 4 Showsconectformula:

Velocityof theelectron,eV IL)-mv-2

D

2,3,4

Slrowscanversionof 4kV b 4A0AVShowsconectsubstitutionintoformula:

5Answerwithcorrectunit:= 3.75x 107m s'1 TOTAL 2A

11i t


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(i ) I Statethe correetmanipulatedvariatrteHeight// h

(i1) II Dralsrtrecorrect respondrngvariableFrequency// Period //wave length

(iii) I StateonenxeavSpeedofsound -

Givea tick (r'; basedonthefollowing:A o Columnsof h,d,Tandf ,/B c Correctmitsfor h,d,Tandf r'C oAll valuesof d cotect tD oAll valuesof T consistentto 2 d.p. ,/E oAll valuesof f cotect to 2 d,p. r'F c AII valuesofh,Tandf consistentto I or 2 d.p.

hlcm d/cm T/s flHz30.0 3.6 / 0.18 5.5625.0 3.2 . 0.16 6.2520.0 2.8 / 0.14 7.1415.0 2.6 / 0. i3 7.6910.0 2.4 / a.n 8.33Note for F : Accept e.c.f.

Total marks : 6fromD andE

) 6

ttr'.Lw{:orrecuya grapn or y against iGivea tick rr') basedonthefollowing:

A o f at they-axis,h at thet-axisB r Corect unitsat bothaxesC o Uniform scaleat bothaxesD o 5 pointsplottedcorrectly

[Note : 3 or 4 pointsplottedcorrectly : y']E c Beststraightline ,/F o Minimumsizeofgraph5 x 4bigsquares {(Big square:2 cmx 2 cm)(Fromtheoriginto the lastpoint)

SULITPEPERIKSAANPER.CUBAAIYSPM2OO9PHYSICS3Question1I (a)

(b

(d)

[Lihat halamansebelahSULIT453113


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.--_4531/3

Number of / Marks1,/ 55-6{ +3-4{ 32./ 2I{ I

the straight line drawnFor a straight tine with negative gradient passingwith y-axis interception'Frequencyis decreaselinearly to height If is decreaselinearly to hStateonesuiteblePrecautioncorrectthezeroerrorby calibratingthezeroadjustmentor -c.\o l/ Positionof thepump mustbeperpendicularto thJtiuUandneL tc'thetop// Repeatexperimentandcalculatetheaveragei/potition of microphonemustbeatthe

samedistance//Allconnectionof thecircuitmustbetight

T]ESTION2

State the changescorrectlY- increasesStat" th" t.l"e of P within the acceptable range- show graphicalextrapolationcoffectly- showf,oti"otttal line from the graphto the P-axis- statethevaluewithin9,1#S ltryienoreunit and decimalPlace!-tJ+vrv --

-_ :J .CalcuIatetuugraoie@ofkwithintheacceptable

- Statethe value / answerwith correctunit'4500- 0= - *.t>Y \rr ' t f i t '

range- Otu* sufficiently largetriangle > 4 sq x 4 sq' Correct substitution(follorv candidate'striangle)

Catculate the value of density, p' by *itg gt*dient and statethe value ofp within the accePtablerange- p g : g'adient : 8181.8228181,82P= 9. 8= 834.88ks m- 'ert*ttt- th" "drre of F withi* the acceptablerangeP:h pg ={ 2)$3a.88)(9.8)= 16363.64 {w/o'

[[-ihat halamansebelatlqULIT4$3't/3


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(c) Stateoneco- rne eyemustbeperpendicularto thescaleof themetrerureto avoidparallaxerror.- Repeatreadingsandcalculateaverase.- uo not let thebubbleinsidethetube

4531

I I

Total 12trWhenttrEvqiffiel massm:mRespondingvariablerxed variable

volumelmaiGEGGchangein temperatureheatingtimeeoweil;r:il:t"ter,water,measurins"vri"a"ii u"t;;;, ffiterandstop

WireBeakerBikar

PowErsupplyBekalankuasaa.t WaterAi rlmmersionheaterPemanasrendam

1 mark

1.20cmi 5::*ltgrgture. is recordeaarters minutes.3.IepeatstbpI anoi;;id;-;ft;;ilTb?lm, andr00cm3orI rnark

Change in temperature/ oC I mark

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4{a} Thetime to reachthe top dependson the mass//Thecurrent supplydependson the massllYhenthe massincreases,time / current increasesTo investigatethe relationshipbetweenthe massand time / currentillanipulatedvariable : massRespondingvariable: timeI currentFixedvariable : heighteattery/ DC powersupply,slottedmass,connectingwires,12VDCmotor,putleywith clamp,ammeterI stop watch, thread'

1 markPulley-Thread

Motor

{. 20 g of slotted rnass is lifted by a motor to a height of t m.2. The time taken to reach the top is recorded // The ammeter reading isrecorded.3. Repeatstep1 and 2 using40 g,609, 80I and 100g of slottedmass'l mark1 mark1 markI markmass I E time/ s20405080100

1 mark

4531t3

soalan physics trial johor 2010 & jawapan

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