[今日更新]2024年哈三中高三学年第4次模拟考试.物理试卷答案

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[今日更新]2024年哈三中高三学年第4次模拟考试.物理试卷答案试卷答案

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entirelakefront.Swanspassbyduringtheday,andatnight,theriversideandsurroundingbuildingsareomnicalylit.21WhydidpeoplebuildtheJe?C英三高A.Torecyclewaterforanearbypowerstation.B.Tomakeitthetallestfountainintheworld.C.Tocontroltheoutflowofwaterfromapowerstation.预江意D.TomakeitasymbolofthecityofGeneva.22.WhatmaypeoplegototheJardinAnglaisfor?BA.Plantingsomeflowersinthegarden.B.Goingsightseeingfortheflowerclock.C.PracticingtheirFrenchinthegarden.D.Buyingcheapseasonalflowers.,两决次阳信明23.WhatdotheriversideandtheJetd'Eauhaveincommon?AA.Theyhavebeautifullightsatnight.学B.Theyhaveinvitingfountains.C.Theyhaveswansinthelake.蠕D.Theyhavepathsforbicycles.Bnthesouth-evawillfindAfterIfinishedmyPhDin2014atDukeUniversity,Istayedforanextrayeartofinishapaperandlookforapostdoc(position.ThefirststepofmyprocesswastodecidewhatIwantedtodowithmycareer,andthenIshouldfindalaboratorythatwouldhelpmetoon,theJetachievethat.Iwasabitanxiousaboutmakingsuchastrongstatementaboutmycareera相rly140me-feelingthatIthinkissharedbymanygraduatingstudents.够toostrong,ThenextstepinmyprocesswastobroadlyidentifywhattypeoffieldIwantedtoworkinandwhichtechniques,systemandorganismIwantedtolearn.SeveralpeopleadvisedmetochangeoneortwoofthesechoicesfrommyPhDwork,whichwasinyeastcellbiology陶ations,the细胞生物学).AlthoughIreallyvaluehavingexperienceinmultiplefieldsandtechniques,Ieetowandon'tthinkthischangeisabsolutelynecessary.IalsotalkedmyoptionsthroughwithmyPhDadviser,DanielLew,andmylabmates.Intheend,Idecidedtostayworkingwithyeastbuttotakeonmorebiochemistryapproaches.antedlake-IthenputtogetheralistofpossiblelabsasIreadpapersanduniversitywebsites.Bythisclock,anpoint,mypartnerandIhaddecidedthatwewouldliketoliveinEurope,becauseitwouldbeees,andaagreatopportunitytomovesomewhereelseandexperienceadifferentwayofliving.IpreferredlabsinEurope,butIincludedmanyintheUnitedStatesaswell.Iappliedtoeightlabsbye-mail:fourlabsintheUnitedStatesandfourinEurope.IntheEau.Theend,IdecidedonJohnDiffley'slabattheFrancisCrickInstituteinLondon.alongtheIcouldimaginehowIwoulddevelopasascientistinJohn'slabandultimatelygainmore·HUN·【高三英语第4页（共10页）】804C·HUN·

4.如图甲所示,在杨氏双缝干涉实验中,S为单色光源,单缝S0到双缝S1、S2的距离相等,O点为双缝连线的中垂线与光屏MN的交点。实验时,利用刻度尺测出单缝S0到光屏的间距为L,利用测量头测得光屏上相邻明条纹的中心间距为△x。,某同学用单色光1,通过沿S1、S2连线的中垂线移动光屏的位置(其他装置的位置不变),测出多组L与△x的值,描绘出△x-L的关系图像1,如图乙所示;该同学换用另一个单色光2,重复上述实验操作,描绘出△x-L的关系图像2。已知两图像与横坐标的截距均为L0,与纵坐标的截距分别为-a1、-a2。,则以下分析正确的是A.单缝到双缝的距离为L0,单色光1与单色光2的波长的比值为a2a1B.单色光1比单色光2更容易发生衍射C.如果单色光2能够使某种金属发生光电效应,则单色光1也必定能够使该金属发生光电效应D.单色光1在水中传播的速度大于单色光2在水中传播的速度

9.如图所示,空间存在水平向右的匀强电场,长L=0.12m的绝缘轻杆上端连接在O点。有一质量m=0.3kg,、电荷量q=+0.5C的带电金属小球套在绝缘轻杆上,球与杆间的动摩擦因数=0.75。。当杆竖直固定放置时,小球恰好能匀速下滑。当轻杆与竖直方向的夹角为θ时,小球在下滑过程中与杆之间的摩擦力恰好为0.37^=0.6,取重力加速度大小g=10m/s^2。。下列说法正确的是A.匀强电场的电场强度大小为12N/CB.匀强电场的电场强度大小为6N/CC.=53^D.若保持θ角不变,将小球从O点由静止释放,小球离开杆时的速度大小为2m/s

9.(12分)1913年,美国物理学家密立根通过油滴实验测量出电子电量的精确数值。已知测量室中电源输出电压U=3V,极板间距d=0.1m。在某次实验中,观察到一个质量为m=9.610^-16kg的油滴恰好悬浮在测量室中。已知k=910^9Nm^2kg^2,重力加速度g取10m/s^2,求:(1)该悬浮油滴的电性及所带电量;(2)该油滴中带有的电子个数。