iit-ianspace solutions - aieee 2010 paper

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AIEEE 2010 Paper IMPORTANT INSTRUCTIONS: 1. The Answer Sheet is Kept inside the Test Booklet. When you are directed to open the Test Booklet, take out the Answer Sheet and fill in the particulars carefully. 2. The test is of 3 hours duration. 3. 4. Use Blue/Black Ball Point Pen only for writing particulars/marking responses on Side1 and Side2 of the Answer Sheet. Use of pencil is strictly prohibited 5. No candidate is allowed to carry any textual material, printed or written, bits of papers, pager, mobile phone, any electronic device, etc., except the Admint Card inside the examination hall/room. 6. Rough work is to be done on the space provided for this purpose in the Test Booklet only. 7. There is only one correct response for each question. Filling up more than one response in each question will be treated as wrong response and marks for wrong response will be deducted accordingly as per instruction 6 above. 8. On Completion of the test, the candidate must hand over the Answer Sheet to the Invigilator on duty in the Room/Hall. However, the candidated are allowed to take away this test booklet with them. 9. Do not fold or make any stray marks on Answer Sheet.

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  • AIEEE2010PaperIMPORTANTINSTRUCTIONS:1.

    TheAnswerSheetisKeptinsidetheTestBooklet.WhenyouaredirectedtoopentheTestBooklet,takeouttheAnswerSheetandfillintheparticularscarefully.

    2.

    Thetestisof3hoursduration.

    3.

    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.

  • PART1QNo.1.Answer:56/33

    Explanation:

    QNo.2.

    Answer:

    Explanation:

    QNo.3.Answer:i+j2k

    Explanation:

    QNo.4.Answer:y=3

    Explanation:Paralleltoxaxisdy/dx=018/x3=0Equationoftangentis(y3)=0(x2)y=3

    QNo.5.Answer:secx=(tanx+c)y

    Explanation:cosxdy=y(sinxy)dx

    QNo.6.

    Answer:

  • Explanation:

    QNo.7.Answer:x=1

    Explanation:Thelocusofperpendiculartangentsisdirectrixx=ax=1

    QNo.8.Answer:(3,2)

    Explanation:

    QNo.9.Answer:SisanequivalencerelationbutRisnotanequivalencerelation

    Explanation:xRyneednotimpliesyRxS:m/nsP/qm/nsm/nReflexive

    QNo.10.Answer:1

    Explanation:f(x)=k2xifx

  • Answer:Atleast7

    Explanation:Firstrowwithexactlyonezerototalnumberofcases=6Firstrow2zeroswegetmorecasesTotalwegetmorethan7

    QNo.12.Answer:Statement1istrue,statement2isfalse

    Explanation:N(S)=20C4

    =[17+14+11+8+5+2]/20C4

    QNo.13.Answer:Statement1istrue,statement2istruestatement2isnotthecorrectexplanationforstatement1

    Explanation:A(3,1,6)B=(1,3,4)MidpointofAB=(2,2,5)liesontheplaneAistheimageofB

    QNo.14.Answer:Statement1istrue,statement2isfalse

    Explanation:=90.28+20.28

    QNo.15.Answer:Statement1istrue,statement2isfalse

    Explanation:a2+bc=1,bc+d2=1

    QNo.16.Answer:Statement1istrue,statement2istruestatement2isthecorrectexplanationforstatement1

    Explanation:f(x)=1/[ex+2ex]

    QNo.17.Answer:Thereisaregularpolygonwithr/R=2/3

  • Explanation:

    QNo.18.Answer:1

    Explanation:

    QNo.19.Answer:1

    Explanation:Letz=x+iy[z1]=[z+1],thereforeRez=0andx=0Only(0,0)willsatisfyallconditions.Numberofcomplexnumberz=1

    QNo.20.Answer:60

    Explanation:

    QNo.21.

    Answer:

    0

  • Explanation:

    QNo.22.Answer:34min

    Explanation:Till10thminutenumberofcountednotes=15003000=n/2[2*148+(n1)(2)]=n[148n+1]n2149n+3000=0n=125,24Totaltime=24+10=34min

    QNo.23.Answer:1

    Explanation:

    QNo.24.Answer:21

  • Explanation:

    QNo.25.Answer:4

    Explanation:g'(x)=2(f(2f(x)+2)[d/dx(f(f2f(x)+2))

    QNo.26.Answer:108

    Explanation:Totalnumberofways=3C2*9C2=3*9*8/2=3*36=108

    QNo.27.Answer:Nosolution

  • Explanation:

    QNo.28.Answer:2/7

    Explanation:n=9C3n=3C1*4C1*2C1Probability=24*6/(9*8*7)=2/7

    QNo.29.Answer:11/2

    Explanation:

    QNo.30.Answer:35

    Explanation:

  • PART2QNo.31.Answer:I =I =Blv/R,I=2Blv/3R

    Explanation:Amovingconductorisequivalenttoabatteryofemf=vBl

    QNo.32.Answer:1/4

    Explanation:U=1/2q2/c=1/2c(qoet/T)2

    QNo.33.Answer:Statement1istrue,Statement2istruestatement2isthecorrectexplanationofstatement1

    Explanation:Ifitisacompletelyinelasticcollisionthenm1v1+m2v2=m1v+m2vv=(m1v1+m2v2)/(m1+m2)K.E.=p12/2m1+p22/2m2ThereforetotalKEcannotbelost

    QNo.34.Answer:Statement1istrue,statement2isfalse

    Explanation:SincethefrequencyofultravioletlightislessthanthefrequencyofXrays,theenergyofeachincidentphotonwillbemoreforXrays.ButK.ErangesfromzerotoK.E.maxbecauseoflossofenergyduetosubsequentcollisionsbeforegettingejectedandnotduetorangeoffrequenciesintheincidentlight.

    QNo.35.

    Answer:

    Explanation:Oilistheleastdenseofthemsoitshouldsettleatthetopwithwateratthebase.Nowtheballisdenserthanoilbutlessdensethanwater.Itwillstayoilwaterinterface.

    QNo.36.

    1 2

    2 2

  • Answer:y =x +constant

    Explanation:V=Kyi+Kxjdx/dt=Ky,dy/dt=Kxintegratingtheequationy2=x2+Constant

    QNo.37.

    Answer:

    Explanation:ThemagneticfieldinbetweenbecauseofeachwillbeinoppositedirectionAtx=d,Binbetween=0Forxinbetween=(j)

    QNo.38.

    Answer:

    Explanation:Att=0,inductorbehaveslikeaninfiniteresistanceSoatt=0,i=V/R2

    i=V/Req=V(R1+R2)/R1R2

    QNo.39.Answer:0.8Ns

    Explanation:Fromthegraph,itisastraightlineso,uniformmotion.becauseof

    QNo.40.Answer:E >E

    Explanation:Afterdecay,thedaughternucleiwillbemorestablehencebindingenergypernucleonwillbemorethanthatoftheirparentnucleus.

    QNo.41.

    Answer:

    2 2

    2 1

  • Explanation:

    QNo.42.Answer:[AZ4]/[Z8]

    Explanation:Inpositivebetadecayaprotonistransformedintoaneutronandapositronisemitted.Thenumberofneutronafterdecay(AZ)3X2+2X1Thenumberofprotonwillreduceby8.

    QNo.43.

    Answer:

    Explanation:

    QNo.44.Answer:ORgate

    Explanation:Truthtableforgivencombinationis

    QNo.45.Answer:0.75

  • Explanation:

    QNo.46.Answer:Xrays

    Explanation:4X103=1020Xhff=6.03X1016HzitliesintherangeofXrays

    QNo.47.Answer:5,1,2

    Explanation:Checkthesignificantfiguresofthenumbers.Thenumberofsignificantfiguresforthenumberare5,1,2

    QNo.48.Answer:242W

    Explanation:ThegivencircuitisunderresonanceasXL=XCP=V2/R=242W

    QNo.49.

    Answer:

    Explanation:Applyshelltheoremthetotalchargeuptodistancercanbecalculatedasfollows

    QNo.50.Answer:b /4a

    Explanation:U(x)=a/x12b/x6

    QNo.51.Answer:3

    2

  • Explanation:

    QNo.52.

    Answer:

    Explanation:

    QNo.53.Answer:14m/s

    Explanation:S=t3+5

    QNo.54.Answer:4.9m/s inverticaldirection

    Explanation:

    QNo.55.

    Answer:

    Explanation:Foraparticleinuniformcircularmotion,

    QNo.56.Answer:Converge

    Explanation:Asintensityismaximumataxis,

    Andbeamwillconverge.

    QNo.57.

    2

    2

  • Answer:Planar

    Explanation:Foraparallelcylindricalbeam,wavefrontwillbeplanar

    QNo.58.Answer:Minimumontheaxisofthebeam

    Explanation:Thespeedoflightinthemediumisminimumontheaxisofthebeam.

    QNo.59.

    Answer:

    Explanation:

    QNo.60.Answer:6.25N

    Explanation:

  • PART3QNo.61.Answer:+352kJ/mol

    Explanation:

    QNo.62.Answer:0.25h

    Explanation:

    QNo.63.Answer:[Co(NH ) ]Cl

    Explanation:

    QNo.64.Answer:Aonly

    Explanation:RateequationistobederivedwrtslowstepfrommechanismARate=k[Cl2][H2S]

    3 6 3

  • QNo.65.Answer:1.27X10 mol

    Explanation:n=PV/RT

    QNo.66.Answer:2butene

    Explanation:

    QNo.67.Answer:0.0558

    Explanation:VantHoff'sfactorforNa2SO4=3Tf=ikfm

    =3X1.80X0.01/1=0.0558K

    QNo.68.Answer:2Methylpropan2ol

    Explanation:30alcoholsreactfastestwithZnCl2/Conc.HClduetoformationof30carbocationand2methylpropan2olistheonly30alcohol

    QNo.69.Answer:Benzenediazoniumchlorideandfluorobenzene

    Explanation:inthischemicalreaction,thechangeofionstakesplaceinN2andCl.Thisisdiazotizationreaction(BalZSchiemannreaction)

    3

  • QNo.70.Answer:23.7

    Explanation:MolesofHClreactingwithammonia=(molesofHClabsorbed)(molesofNaOHsolutionrequired)=(20X0.1X103)(15X0.1X103)=molesofnitrogeninorganiccompound

    QNo.71.Answer:494nm

    Explanation:

    QNo.72.Answer:4,41X10 J/atom

    Explanation:IEHe=13.6Z2He[1/121/ 2]=13.6Z2Hewhere(ZHe=2)(E1)Li+2=13.6Z2Li2X1/12=13.6Z2He+X[Z2Li+2/Z2He++]=4.41X1017J/atom

    QNo.73.Answer:B>C>A

    Explanation:SN1proceedsviacarbocationintermediate,themoststableoneformingtheproductfaster.HencereactivityorderforA,B,Cdependsonstabilityofcarbocationcreated.(allyl20

    carbocation>20carbocation>10carbocation)

    QNo.74.Answer:[Co(en) ]

    Explanation:onlyoption(2)ishavingnonsuperimpossiblemirrorimage&henceoneopticalisomer.(asitdoeshaveanyelementofsymmetry)

    QNo.75.Answer:72.0kPa

    17

    33+

  • Explanation:

    QNo.76.

    Answer:

    Explanation:Product(b)hasconjugationofdoublebondwithbenzenering.

    QNo.77.Answer:(2)only

    Explanation:H2PO4(+H2OH3O++H2PO4(

    Acidconjugatebase(ItisgivingH3O+henceacidic.

    QNo.78.Answer:TheconcentrationofH andHCO areapproximatelyequal

    Explanation:

    AsK2

  • Explanation:

    QNo.81.Answer:O >F >Na >Mg >Al

    Explanation:forisoelectronicspecieshighertheZ/eratio,smallertheionicradiusF=9/10=0.9Na+=1.1Mg2+=1.2Al3+=1.3

    QNo.82.Answer:1.2X10 g

    Explanation:Whenprecipitationstartswhenionicproductjustexceedssolubilityproduct[Br]=1011

    WeightofKBrtobeadded=1.2X109g=MolarityxMolecularMass(KBr)

    QNo.83.Answer:2.5V

    Explanation:=2.5V

    QNo.84.Answer:10

    Explanation:Mg2++2OH>Mg(OH)2([Mg+2][OH]2=1011M([OH]=104

    pOH=4andPH=10

    QNo.85.Answer:26%and32%

    Explanation:packingfractionofcubicclosepackingandbodycenteredpackingare0.74and0.68respectively

    2 + 2+ 3+

    9

  • QNo.86.Answer:3methyl1pentene

    Explanation:only3methyl1pentenehasachiralcarbon(andisasymmetric)

    QNo.87.Answer:Carbohydrates

    Explanation:itisatestcharacteristicofamidelinkage.Ureaalsohasamidelinkagelikeproperties.

    QNo.88.Answer:Mn>Cr>Fe>Co

    Explanation:Electrodepotentialbecomeslessnegativeasonegoesfromlefttoright.

    QNo.89.Answer:Nylon6,6

    Explanation:nylon6,6isapolymerofadipicacidandhexamethylenediamine,&itinvolvespolarunitswhichisresponsibleforHbonding.

    QNo.90.Answer:T>T

    Explanation:

    e