jee advanced 2008 paper 01

JEEAdvanced2008Paper01IMPORTANTINSTRUCTIONS:1.

TheAnswerSheetisKeptinsidetheTestBooklet.WhenyouaredirectedtoopentheTestBooklet,takeouttheAnswerSheetandfillintheparticularscarefully.

2.

Thetestisof3hoursduration.

3.

A. General:1. Thisquestionpaperconsistsof69questions.

B. Questionpaperformat:2. Thequestionpaperconsistsof3parts(PartI:Physics,PartII:Chemistry,PartIII:

Mathematics).Eachparthas4sections.3. SectionIcontains6multiplechoicequestions.Eachquestionhas4choices(A),(B),

(C)and(D),outofwhichonlyoneiscorrect4. SectionIIcontains4multiplecorrectanswertypequestions.Eachquestionhas4

choices(A),(B),(C)and(D),outofwhichoneormoreanswersarecorrect.5. SectionIIIcontains4Reasoningtypequestions.Eachquestioncontains

STATEMENT1andSTATEMENT2.Bubble(A)ifboththestatementsareTRUEandSTATEMENT2isthecorrectexplanationofSTATEMENT1Bubble(B)ifboththestatementsareTRUEbutSTATEMENT2isNOTthecorrectexplanationofSTATEMENT1Bubble(C)ifSTATEMENT1isTRUEandSTATEMENT2isFALSE.Bubble(D)ifSTATEMENT1isFALSEandSTATEMENT2isTRUE.

6. SectionIVcontains3setsofLinkedComprehensiontypequestions.Eachsetconsistsofaparagraphfollowedby3questions.Eachquestionhas4choices(A),(B),(C)and(D),outofwhichonlyoneiscorrect.

C. MarkingScheme:7. ForeachquestioninSectionI,youwillbeawarded3Marksifyouhavedarkenedonly

thebubblecorrespondingtothecorrectanswerandzeromarkifnobubbleisdarkened.Inallothercases,minusone(1)markwillbeawarded.

8. ForeachquestioninSectionII,youwillbeawarded4Marksifyouhavedarkenedallthebubble(s)correspondingtothecorrectanswerandzeromarkforallothercases.Itmaybenotedthatthereisnonegativemarkingforwronganswer.

9. ForeachquestioninSectionIII,youwillbeawarded3Marksifyouhavedarkenedonlythebubblecorrespondingtothecorrectanswerandzeromarkifnobubbleisdarkened.Inallothercases,minusone(1)markwillbeawarded.

10. ForeachquestioninSectionIV,youwillbeawarded4Marksifyouhavedarkenedonlythebubblecorrespondingtothecorrectanswerandzeromarkifnobubbleisdarkened.Inallothercases,minusone(1)markwillbeawarded.

4.

UseBlue/BlackBallPointPenonlyforwritingparticulars/markingresponsesonSide1andSide2oftheAnswerSheet.Useofpencilisstrictlyprohibited

5.

Nocandidateisallowedtocarryanytextualmaterial,printedorwritten,bitsofpapers,pager,mobilephone,anyelectronicdevice,etc.,excepttheAdmintCardinsidetheexaminationhall/room.

6.

RoughworkistobedoneonthespaceprovidedforthispurposeintheTestBookletonly.

7.

Thereisonlyonecorrectresponseforeachquestion.Fillingupmorethanoneresponseineachquestionwillbetreatedaswrongresponseandmarksforwrongresponsewillbedeductedaccordinglyasperinstruction6above.

8.

OnCompletionofthetest,thecandidatemusthandovertheAnswerSheettotheInvigilatorondutyintheRoom/Hall.However,thecandidatedareallowedtotakeawaythistestbookletwiththem.

9.

DonotfoldormakeanystraymarksonAnswerSheet.

PART173608QNo.1.

(1)

(2) greaterforthevioletcolour

(3) greaterfortheredcolour

(4)

73609QNo.2.

WhichoneofthefollowingstatementsisWRONGinthecontextofXraysgeneratedfromaXraytube?

(1)WavelengthofcharacteristicXraysdecreaseswhentheatomicnumberofthetargetincreases.

(2) CutoffwavelengthofthecontinuousXraysdependsontheatomicnumberofthetarget

(3) IntensityofthecharacteristicXraysdependsontheelectricalpowergiventotheXraytube

(4)CutoffwavelengthofthecontinuousXraysdependsontheenergyoftheelectronsintheXraytube

73610QNo.3.

(1)

(2)

(3)

(4)

73611QNo.4.

(1)

(2)

(3)

(4)

73612QNo.5.

(1)

(2)

(3)

(4)

73613QNo.6.

(1)

(2)

(3)

(4)

73614QNo.7.

(1)

(2)

(3)Iftheintensityoflightfallingonslit1isreducedsothatitbecomesequaltothatofslit2,theintensitiesoftheobserveddarkandbrightfringeswillincrease

(4)Iftheintensityoflightfallingonslit2isincreasedsothatitbecomesequaltothatofslit1,theintensitiesoftheobserveddarkandbrightfringeswillincrease

73615QNo.8.

(1)

(2)

(3)

(4)

73616QNo.9.

(1)

(2)

(3)

(4)

73617QNo.10.

(1)

(2)

(3)

(4) TimespentinRegionIIissameforanyvelocityVaslongastheparticlereturnstoRegionI

73618QNo.11.

(1)STATEMENT1isTrue,STATEMENT2isTrueSTATEMENT2isacorrectexplanationforSTATEMENT1

(2)STATEMENT1isTrue,STATEMENT2isTrueSTATEMENT2isNOTacorrectexplanationforSTATEMENT1

(3) STATEMENT1isTrue,STATEMENT2isFalse

(4) STATEMENT1isFalse,STATEMENT2isTrue

73619QNo.12.





73620QNo.13.





73621QNo.14.





73622QNo.15.

(1) 2

(2) 3

(3) 4

(4) 5

73623QNo.16.

(1)

(2)

(3)

(4)

73624QNo.17.

(1)

(2)

(3) 1

(4) 2

73625QNo.18.

(1) Onlytheforceofgravity

(2) Theforceduetogravityandtheforceduetothepressureoftheliquid

(3)Theforceduetogravity,theforceduetothepressureoftheliquidandtheforceduetoviscosityoftheliquid

(4) Theforceduetogravityandtheforceduetoviscosityoftheliquid

73626QNo.19.

(1)

(2)

(3)

(4)

73627QNo.20.

(1)

(2)

(3)

(4)

73628QNo.21.

(1)

(2)

(3)

(4)

73629QNo.22.

(1)

(2)

(3)

(4)

73630QNo.23.

(1)

(2)

(3) 0

(4)

PART273562QNo.24.

NativesilvermetalformsawatersolublecomplexwithadiluteaqueoussolutionofNaCNinthepresenceof

(1) nitrogen

(2) oxygen

(3) carbondioxide

(4) argon

73563QNo.25.

(1)

(2)

(3)

(4)

73564QNo.26.

(1)

(2)

(3)

(4)

73565

QNo.27.

(1)

(2)

(3)

(4)

73566QNo.28.

Hyperconjugationinvolvesoverlapofthefollowingorbitals

(1)

(2)

(3)

(4)

73567QNo.29.

(1)

(2)

(3) NaCl

(4) NaOH

73568QNo.30.

AgasdescribedbyvanderWaal'sequation

(1) behavessimilartoanidealgasinthelimitoflargemolarvolumes

(2) behavessimilartoanidealgasinthelimitoflargepressures

(3)ischaracterizedbyvanderWaal'scoefficientsthataredependentontheidentifyofthegasbutareindependentofthetemperature

(4) hasthepressurethatislowerthanthepressureexertedbythesamegasbehavingideally

73569QNo.31.

(1) Thecompoundisopticallyactive

(2) Thecompoundpossessescentreofsymmetry

(3) Thecompoundpossessesplaneofsymmetry

(4) Thecompoundpossessesaxisofsymmetry

73570QNo.32.

(1) E,FandGareresonancestructures

(2) E,FandE,Garetautomers

(3) FandGaregeometricalisomers

(4) FandGarediasteromers

73571QNo.33.

AsolutionofcolourlesssaltHonboilingwithexcessNaOHproducesanonflammablegas.Thegasevolutionceasesaftersometime.UponadditionofZndusttothesamesolution,thegasevolutionrestarts.ThecolourlesssaltHis(are)

(1)

(2)

(3)

(4)

73572QNo.34.

(1)STATEMENT1isTrue,STATEMENT2isTrueSTATEMENT2iscorrectexplanationforSTATEMENT1




73573QNo.35.





73574QNo.36.


STATEMENT1isTrue,STATEMENT2isTrueSTATEMENT2isNOTacorrectexplanation

(2) forSTATEMENT1



73575QNo.37.





73576QNo.38.

(1) Phosphateshavenobiologicalsignificanceinhumans

(2) Betweennitratesandphosphates,phosphatesarelessabundantinearth'scrust

(3) Betweennitratesandphosphates,nitratesarelessabundantinearth'scrust

(4) Oxidationofnitratesispossibleinsoil

73577QNo.39.

(1)

(2)

(3)

(4)

73578QNo.40.

(1) dimerizationreaction

(2) disproportionationreaction

(3) condensationreaction

(4) precipitationreaction

73579QNo.41.

(1)

(2)

(3)

(4)

73580QNo.42.

(1)

(2)

(3)

(4)

73581QNo.43.

(1)

(2)

(3)

(4)

73582QNo.44.

(1) 268.7K

(2) 268.5K

(3) 234.2K

(4) 150.9K

73583QNo.45.

(1) 39.3mmHg

(2) 36.0mmHg

(3) 29.5mmHg

(4)28.8mmHg

73584QNo.46.

(1) 380.4K

(2) 376.2K

(3) 375.5K

(4) 354.7K

PART373585QNo.47.

(1) fourstraightlines,whenc=0anda,bareofthesamesign

(2) twostraightlinesandacircle,whena=b,andcisofsignoppositetothatofa

(3)twostraightlinesandahyperbola,whenaandbareofthesamesignandcisofsignoppositetothatofa

(4) acircleandanellipse,whenaandbareofthesamesignandcisofsignoppositetothatofa

73586QNo.48.

(1) 0

(2) 1

(3) 2

(4) 3

73587QNo.49.

(1) n=1,m=1

(2)

(3) n=2,m=2

(4)

73588QNo.50.

(1)

(2) x

(3)

(4)

73589QNo.51.

(1)

(2)

(3)

(4)

73590QNo.52.

(1)

(2)

(3)

(4)

73591QNo.53.

(1)

(2)

(3)

(4)

73592QNo.54.

AstraightlinethroughthevertexPofatrianglePQRintersectsthesideQRatthepointSandthecircumcircleofthetrianglePQRatthepointT.IfSisnotthecentreofthecircumcircle,then

(1)

(2)

(3)

(4)

73593QNo.55.

(1)

(2)

(3)

(4)

73594QNo.56.

(1)

(2)

(3)

(4)

73595QNo.57.

(1) Statement1isTrue,Statement2isTrueStatement2isacorrectexplanationforStatement1

(2)Statement1isTrue,Statement2isTrueStatement2isNOTacorrectexplanationforStatement1

(3) Statement1isTrue,Statement2isFalse

(4) Statement1isFalse,Statement2isTrue

73596QNo.58.





73597QNo.59.





73598QNo.60.





73599QNo.61.

(1)

(2)

(3)

(4)

73600QNo.62.

(1)

(2)

(3)

(4)

73601QNo.63.

(1)

(2) 0

(3)

(4)

73602QNo.64.

(1)

(2)

(3)

(4)

73603QNo.65.

(1)

(2)

(3)

(4)

73604QNo.66.

(1)

(2)

(3)

(4)

73605QNo.67.

(1) 0

(2) 1

(3)2

(4)

73606QNo.68.

(1) 25and29

(2) 30and34

(3) 35and39

(4) 40and44

73607QNo.69.

(1)

(2)

(3)

(4)

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