olevel-期末考卷

期末试卷一、单选题。（每题2分）1、Amicrometerscrewgaugeisusedtomeasurethediameterofacopperwire.Thereadingwiththewireinpositionisshownindiagram1.Thewireisremovedandthejawsofthemicrometerareclosed.Thenewreadingisshownindiagram2.Whatisthediameterofthewire?(2mark)A1.90mmB2.45mmC2.59mmD2.73mm2、Thediagrambelowshowspartofthescaleonamicrometerscrewgaugewhenitsspindleistotallyclosed.Whichofthefollowingisthecorrectreadingforthezeroerrorshown?(2mark)A、-0.03mmB、-0.47mmC、0.03mmD、0.47mm3、Whichofthefollowingpendulumshastheshortestperiod?(2mark)4、amanthrowsaballandthepathofitsmotionisshownbelow,atwhichpointdoestheballtraveltheslowest?(2mark)5、Asmallsteelballfallsfreelyundergravityafterbeingreleasedfromrest.Whichgraphbestrepresentsthevariationoftheheighthoftheballwithtimet?(2mark)6、Thediagramshowsavelocity-timegraphforavehicleThevehicle,movingat4.0ms–1,beginstoaccelerateattime=0.Whatisthevehicle’saccelerationattime=3.0s?A0.67ms–2B1.0ms–2C1.3ms–2D2.0ms–27、IntermsofenergytransferWandchargeq,whatarethedefinitionsofpotentialdifference(p.d.)andelectromotiveforce(e.m.f.)?8、下列所示的四种现象中，可用光的直线传播原理解释的是A.镜中花B.水中桥C.林中影D.缸中鱼9、已知玻璃的折射率大于空气的折射率。当一束激光AO由空气斜射人平行玻璃砖的上表面，经两次折射后从玻璃砖的下表面射出，下列所作的四个折射光路图中．可能正确的是：（）2、解答题1、一实物X在平面镜所成的像为I,画出实物X的光路图.（4mark）2、AnobjectOisplacedinfrontofathinconverginglensoffocalpointFasshowbelow.（9mark）A、inthediagramabove，drawraystolocatethepositionoftheimageformedbytheconverginglens.(4mark)B、Whatarethecharacteristicsoftheimageformed?（3mark）C、当实物向左移动时，所成的像大小以及位置会如何变化？(2mark)3、Alicecalculatedthedensityofasolidmetalboxbyfirstmeasuringthemassandvolumeofthebox.theresultsareasfollows:Mass=300kgVolume=60cm3Density=5g/cm3A)whichofthethreephysicalquantitiesabovearenotconsideredbasequantities?(2mark)B)ConvertallthethreequantitiesaboveintotheirrespectiveSIunit.(6mark)Mass:300g=Volume:60cm3=Density:5g/cm3=4、Analloyismadebymixing360gofcopperofdensity9g/cm3and80gofironofdensity8g/cm3.(i)findthedensityofthealloying/cm3.。(2mark)(ii)expressthedensityofthealloying/cm3.(2mark)5、A3.0*105kgasteroidtravelataconstantvelocityof15000m/sinspace.A、Whatistheworkdonebytheasteroidineachsecond?(1mark)B、whatisthekineticenergypossessedbytheasteroid?(2mark)C、Whatisthegravitationalenergypossessedbytheasteroid?(2mark)6、Thevelocity-timegraphofamovingobjectisshownbelow.(15mark)a、whatisthevelocityofthemovingobjectattimet=2s?(1mark)b、Whatisthevelocityofthemovingobjectattimet=5s?(1mark)c、Whatistheaccelerationofthemovingobjectattimet=2s?(1mark)d、Whatistheaccelerationofthemovingobjectattimet=6s?(2mark)e、Whatistheaccelerationofthemovingobjectattimet=10s?(2mark)f、Whatisthedecelerationofthemovingobjectattimet=11.5s?(2mark)g、Whatisthedistancetraveledfrom0sto5s?(2mark)h、Whatisthedistancetraveledfrom5sto9s?(2mark)i、Whatisthedistancetravelledfrom9sto10s?(2mark)7、Thediagramshowsthepathofmotionofaballkickedhorizontallyoffacliff.Assumethattheballtakes2.0secondstoreachpointAwhichis10mawayfromthecliff,asindicated.(Takegtobe10m/s2andneglectofairresistance)(8mark)A、calculatethehorizontalspeedoftheball.(2mark)B、Calculatetheverticalspeedoftheballwhenitjuststrikestheponesurface.（3marks）C、Calculatetheheight,h,ofthecliff.(3mark)8、一列质量为1×103t的火车，以180km／h的速度在平直轨道上匀速行驶，整列火车受到的阻力是9×103N。    （5）（1）火车的牵引力多大? （2）火车行驶1min时间内，重力做了多少功?机车牵引力做了多少功?牵引力的功率多大?9、AlightRaytravellinginvacuumstrikesarectangularglassblockofrefractiveglassblockofrefractiveindex1.5atpointXwithanangleofincidenceof30。.thelighthenraythenemergesatpointYatangleofangleofemergenceof25。,intomediumM.A、whatisthespeedoflightinvacuum?（1mark）B、Calculatethespeedoflightinglass（2mark）C、Calculate<a（1mark）D、Calculate<b（2mark）E、CalculatetherefractiveindexofmediumM（3mark）10、threeresistorareconnectedtoacellasshowbelow.itisgiventhatthecurrentflowingthroughthe3Ωresistoris2A.A、whatisthepotentialdifferenceacrossthe6Ωresistor？B、whatisthecurrentflowingthroughthe6Ωresistor？C、whatisthecurrentflowingthroughthe4Ωresistor？D、whatisthepotentialdifferenceacrossthe4Ωresistor？E、whatisthee.m.f.ofthecircuit?F、whenachargeof10Cflowsthroughthe6Ωresistor,howmuchenergyisdissipatedbythecircuit?友情翻译micrometerscrewgauge螺旋测微计Characteristics特性Density密度workdone做功kineticenergy动能gravitationalenergy重力势能Velocity速度Acceleration加速度horizontalspeed水平速度verticalspeed竖直速度Height高度Vacuum真空therefractiveindex折射率potentialdifference电势差Current电流thee.m.f.电场力Resistor电阻最新范本,供参考！最新范本,供参考！最新范本,供参考！