90+ in Physics CBSE Exam

Howtoeasilyscore90+inPhysicsCBSEexam ByadminonOctober1,2012inExperiences ThisguideisabouthowtomaximizeyourscoreinPhysicsexaminationc Thisguideisabouthowtomaximizeyourscore inPhysicsexaminationconducted onducted byCBSE.Though,thisdoesworkforotherboardsaswellbutI byCBSE.Though,thisdoesworkforotherboardsaswellbutI verestricteditto thedomainofCBSEasI thedomainofCBSEasI vepersonallyexperiencedtheCBSEfever! Tostartaboutmyself,IamnotaPadhaku-type,Ijustrealizedamonth Tostartaboutmyself,IamnotaPadhaku-type ,Ijustrealizedamonthortwob ortwob eforetheactualexaminationsandwasableto eforetheactualexami nationsandwasabletoscore94thatforanaver score94thatforanaveragestude agestude ntlikemewerewaybeyondmywildestimaginat ntlikemewerewaybe yondmywildestimaginations(Anywayswhywouldm ions(Anywayswhywouldmywildim ywildim aginationshavescoringhighinboardsP). Herearesometipstoget90+inPhysics 1.SolvethethreeofficialCBSEsamplepapersthoroughly Doesn Doesntneedfurtherexplanati tneedfurtherexplanations,solvetheminthe3 ons,solvetheminthe3hourtimeframewithout hourtimeframewithoutloo loo kingattheanswersandcheckwiththeanswers kingattheanswersan dcheckwiththeanswersthen.Seehowmanymarks then.Seehowmanymarksyouget youget consideringstep-markingaswell. YoucandownloadtheseCBSEsamplepapersfromhere 2.Taketimetoabsorbthemarkingscheme(Blue-print) Thereisaverylittlechancethatthepapercomesoutoftheblue-prin Thereisaverylittlechancethatthepaperc omesoutoftheblue-printlikeit tlikeit cameinmytimebutnonethelessunderstanding cameinmytimebutn onethelessunderstandinghowpaperwillbesetca howpaperwillbesetcanturnth nturnth ingsbetterforyou. Letstakeuptheblue-printgivenbyCBSEandIllexplainyouhowIwentaboutit Letstakeuptheblue-printgivenbyCBSEandI duringmypreparation. RegularOrder Electrostatics08marks Electrostatics Currentelectricity Currentelectricity 07marks Magneticeffectofcurrentandmagnetism Magneticeffectofcurrentandmagnetism 08marks EMIandAC EMIandAC08marks EMWaves EMWaves03marks Optics Optics14marks Dualnatureofradiationandmatter Dualnatureofradiationandmatter 04marks AtomsandNuclei AtomsandNuclei 06marks ElectronicDevices ElectronicDevices 07marks Communicationsystems Communicationsystems 05marks

ModifiedOrder(Asperweightage) Optics(BothWaveandRayoptics) Electrostatics Magneticeffectofcurrentandmagnetism EMIandAC Currentelectricity Electronicdevices AtomsandNuclei Communicationsystems Dualnatureofmatter Electomagneticwaves

Asyoucanseeinthesecondcolumn,Irearrangedthetopicswiththeo Asyoucanseeinthesecondcolumn,Irearran gedthetopicswiththeoneshavin neshavin ghigherweightageontopandsoon.

Istartedfromthebottompart.EMwaves,sawthechapterforanhour, Istartedfromthebottompart.EMwaves,saw thechapterforanhour,leftitc leftitc auseIdidn auseIdidntunderstandmuchofi tunderstandmuchofitbutnotedonlyimporta tbutnotedonlyimportantdefinitionslikeDisp ntdefinitionslikeDisp lacementcurrent,andthewaveequation. DualNatureofmatter,alongwithAtomsandNucleiwerefinishednext. DualNatureofmatter,alongwithAtomsandNu cleiwerefinishednext.Consideri Consideri ngmyloveforAtomicStructure(FromclassXI ngmyloveforAtomic Structure(FromclassXIth),Ifairlyenjoyeddoi th),Ifairlyenjoyeddoingthis. ngthis. ThenCommunicationsystems,didntlikethechapter,soleftitforlater. ThenCommunicationsystems,didn Now,therewasalittledigressionhere,asIwentupthelist,thecha Now,therewasalittledigressionhere,asI wentupthelist,thechapterswer pterswer ebecomingheavierandheavier,Ihadtoreshu ebecomingheavierand heavier,Ihadtoreshuffleagainaccordingtow ffleagainaccordingtowhatIkne hatIkne wwell.Ijuststucktomasteringwhatallhal wwell.Ijuststuckt omasteringwhatallhalvesIknewandfinishedt vesIknewandfinishedthemtope hemtope rfection.LikeElectrostatics,CurrentElectri rfection.LikeElectro statics,CurrentElectricity,Magneticeffectsof city,Magneticeffectsofcurrent current weresometopicsthatwerethereinmymindth weresometopicsthat werethereinmymindthoughnotperfectly.Ifin oughnotperfectly.Ifinishedthe ishedthe mofffrommytuitionnotesfirst,did1and2 mofffrommytuition notesfirst,did1and2markerconceptualquesti markerconceptualquestionsfrom onsfrom thesamplepapersbookandsolvedsomeNCERTquestions. ThencameEMIandAC.EMIisfairlyatheoreticalchapterwithLenzlaw ThencameEMIandAC.EMIisfairlyatheoreti calchapterwithLenzlawhavingt havingt hemaximumamountofquestionsfloatingaround hemaximumamountofq uestionsfloatingaround.Ireaditstheoryfrom .IreaditstheoryfromNCERTtex NCERTtex tbookandsolved1and2markers.NowforEMI, tbookandsolved1and 2markers.NowforEMI,theseshortquestionswe theseshortquestionswerequite requite usefulasthischapterhasveryminuteintrica usefulasthischapter hasveryminuteintricacieswhichoneneedtolo cieswhichoneneedtolookafter. okafter. AlternatingCurrentfelthuge,andtotallynew.IwasalreadyweakinW AlternatingCurrentfelthuge,andtotallynew .IwasalreadyweakinWavesand avesand thatcarriedontoACaswell.Istrategizeddi thatcarriedontoACa swell.Istrategizeddifferentlyforthis.Didt fferentlyforthis.Didtransforme ransforme rs,generatorandtheirtheory,workingandpr rs,generatorandthei rtheory,workingandprinciplereallywell.Ife inciplereallywell.Ifeltthese ltthese werebiggerbirdsandiftheyhadachancethe werebiggerbirdsand iftheyhadachancetheywouldappearasafive ywouldappearasafivemarkers. markers. ThenreadaboutPhasorsovertheInternet,camebackandreadthechapt ThenreadaboutPhasorsovertheInternet,cam ebackandreadthechapteragain. eragain. Feltalittlecomfortableandfinisheditup Feltalittlecomfort ableandfinisheditupthoughnotuptothemark thoughnotuptothemark.Leftit .Leftit forsometimetosettleinmyhead. IwasnowinthefinalstagewithonlyOpticsandfewsmallchaptersle IwasnowinthefinalstagewithonlyOptics andfewsmallchaptersleft.ForR ft.ForR ayoptics,Ireadmytuitionnotesatleasttwi ayoptics,Ireadmyt uitionnotesatleasttwice.Derivationslikefor ce.Derivationslikeforfocusof focusof mirrorsandlens,thelensmakerformulawere mirrorsandlens,the lensmakerformulaweredonetillperfection.Did donetillperfection.Didn n ttoucha numericalofittilltheverylastdayofmy numericalofittill theverylastdayofmyexamination,IfeltifI examination,IfeltifIknewthe knewthe theoryIcoulddothenumericalaswell.Didn theoryIcoulddothenumericalaswell.Didn ttouchmytextbookatallforRayo ptics,onlysmallerconcisenotes. Dostudyopticalinstruments,theirworkingan Dostudyopticalinstr uments,theirworkingandprincipleastheyarea dprincipleastheyarealmostsur lmostsur eshoteveryyear. ForWaveoptics,IreaditfromtheNCERTtextbooklinebylineandto ForWaveoptics,IreaditfromtheNCERTtext booklinebylineandtotellyou, tellyou, YDSE(Young YDSE(YoungsDoubleSlitExperime sDoubleSlitExperiment)isthemostimportan nt)isthemostimportantthinginthischapter. tthinginthischapter. Ifyouhadonlyonedayinhandforit,YDSE, Ifyouhadonlyoned ayinhandforit,YDSE,HuygenslawandBrewster HuygenslawandBrewster sanglewo uldbetheonlythingyouwouldneedtodofromthischapter. Withthis,CommunicationsystemsandElectroni Withthis,Communicati onsystemsandElectronicDevices(Semiconductors cDevices(Semiconductors)wereon )wereon lyleft. IsomehowmuggedupSemiconductorsbutleftTransistorsaltogether.Ik IsomehowmuggedupSemiconductorsbutleftTr ansistorsaltogether.Iknewifth newifth eywerecoming,theyhadahigherprobability eywerecoming,theyh adahigherprobabilityofcomingasfivemarkers ofcomingasfivemarkers,andfiv ,andfiv emarkersshould emarkersshouldveanoption.So,Iamalmostsafehere. Communicationsystemsmademeyawnfirst,itmademeagain.Ionlystud Communicationsystemsmademeyawnfirst,itm ademeagain.Ionlystudiedthed iedthed efinitionsofskywaves,etc.,learnttheonly efinitionsofskywave s,etc.,learnttheonlyformulainthechapterb formulainthechapterby-heartw y-heartw hichisroot(2rH)whereHistheheightoftower. IalsohaddifficultyinrememberingtheElectromagneticspectrumandi IalsohaddifficultyinrememberingtheElect romagneticspectrumanditsorder. tsorder. Ifyouarejustonthesameboatasme,check Ifyouarejustonth esameboatasme,checkthisawesomesong thisawesomesong

GettheideaMostofthejobisdoneifyouworkaccordingtothebluep GettheideaMostofthejobisdoneifyouwo rkaccordingtotheblueprint.Jus rint.Jus tsticktoitandyou tsticktoitandyou llrealizewhattoleavewhenthere llrealizewhattoleavewhenthere snotimeleft.But,tryn ottoleaveoutonanything.My94werejustb ottoleaveoutonany thing.My94werejustbecauseofleavingtheses ecauseofleavingthesesmallerbi mallerbi ts.WorkonthemandIamsureyou ts.WorkonthemandIamsureyou lltoucha100! 3.Underlineimportantlinesintextbookwhilestudying Underliningtextisessentialtospeedupyourrevision Underliningisimportant,aswhenyouaredonewiththechapter,youju Underliningisimportant,aswhenyouaredone withthechapter,youjusthavet sthavet oreadtheunderlinedsentencestogetthemai oreadtheunderlined sentencestogetthemaingistofthechapter.Bo ngistofthechapter.Boostsyour ostsyour revisionreallywellandsavestimeforyour revisionreallywell andsavestimeforyourgirlfriendboyfriend. girlfriendboyfriend. 4.Neverunderminetheimportanceofgraphs! Practicegraphsregularly Thismaysoundweird,butgraphsarealsoaidstolearnintricatething Thismaysoundweird,butgraphsarealsoaids tolearnintricatethingsfast.W sfast.W henyouseesomethingchanging,itsticksiny henyouseesomething changing,itsticksinyourmindwell.Drawallt ourmindwell.Drawallthegraphs hegraphs inthebookasmuchasyoucan. 5.Getsamplepapers,Dothemabit IpersonallybroughtULikeSamplepapersforthisjob.Tobefrank,In IpersonallybroughtULikeSamplepapersfort hisjob.Tobefrank,Ineverwent everwent pastthe1and2markersgiveninthebook.T pastthe1and2mark ersgiveninthebook.Theywereplentyinnumber heywereplentyinnumberandIju andIju ststucktothose.Butavoiddoingthis,solve ststucktothose.But avoiddoingthis,solveotherpartsaswell.The otherpartsaswell.Themorepag morepag esyoudo,themorestrongeryourpreparationwouldbe. Ifyou Ifyouveplentyoftimeinhandafterthis,dothemocktestpapers. Also,Considerallottingequaltimetoallthesubjects,ifyouareacu Also,Considerallottingequaltimetoallthe subjects,ifyouareacutelyshor telyshor tontime,youmayskipdoingmocktestpapers tontime,youmayski pdoingmocktestpapersinexamlikeconditions inexamlikeconditionsbutjust butjust skimthroughthemonce. 6.Solvelast10-yearquestionpapers Solvingthelast10yearquestionpapersofDELHIregion,OUTSIDEDELHI Solvingthelast10yearquestionpapersofDE LHIregion,OUTSIDEDELHIandothe andothe rregionswillmakeyour90+scoresureshot. rregionswillmakeyo ur90+scoresureshot.Manyofthetimes,the1 Manyofthetimes,the1and2mar and2mar kersaredirectliftsandyoucanseetherear kersaredirectlifts andyoucanseetherearemanyrepetitions.By-he emanyrepetitions.By-hearttheo arttheo nemarkersifyouarestucksomewhere. 7.Chillaxandenjoyphysics Scoringmarksisnottheprimarygoal,readtolearnaboutourbeautifu Scoringmarksisnottheprimarygoal,readto learnaboutourbeautifulsurroun lsurroun dings.Enjoythesubject,tryresearchingonh dings.Enjoythesubje ct,tryresearchingonhowphysicistthoughtand owphysicistthoughtanddeducedt deducedt helawsandtheorems.Thenreadyourtext,you helawsandtheorems.Thenreadyourtext,you llfindyourselfenjoyingthewhole practiceandyou practiceandyou llgetthefeelingofreadinganovel. Nonetheless,skipthelastpointifitsJanuaryP Nonetheless,skipthelastpointifit