凸透镜成像规律试题及答案

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为搞好山东省交通科学研究所研发基地项目的结算审计工作,我跟踪审计部特针对本项目作如下要求,请各施工单位、供货单位遵照执行:andperformancetestcopiesoftherecord.Ifnecessary,reviewshouldbecarriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.14.hangersinstallation7.3.14.1hangerlayouta.acleardesignofhangershouldbeinstalledstrictlyinaccordancewiththedrawingsanddesignsshallnotbeinstalledwrong,missing,etc.B.ownarrangementofpipingsupportandhangersetandselectionshouldbebasedoncomprehensiveanalysisofgenerallayoutofpipingsystems;coldinstallationofsteampipewithparticularattentionreservedforcompensationofthermalexpansiondisplacementandorientation.C.supportsystemsshouldberationaltowithstandpipeloads,staticloadandincidentalload;reasonablepipingdisplacement;guaranteedundervariousconditions,stressarewithintheallowedrange.Strength,stiffness,andmeetrequirementstopreventvibrationandsoothingwater,withoutaffectingtheadjacentequipmentmaintenanceandotherpipinginstallationandexpansion.D.equipmentconnectedtotheinterfacetomeetpipelinethrust(torque)limitrequirements;increasethestabilityofpipingsystemstopreventpipeline...Tubewallthickness(mm)2-34-67-10weldformnoslopemouthweldstrengtheningheighth(mm)1-1.51.5-2weldwidthb(mm)5-67-6hasslopemouthweldstrengtheningheighth(mm)1.5-22weldwidthb(mm)coverhadeachedgeslopemouthabout2mmargonarcweldingweldstrengtheningsurfaceheightandwidthtubewallthickness(mm)2--33--45--6weldformweldstrengtheningheighth(mm)1-1.51.5-22-2.5widthb(mm)探究凸透镜成像规律一、单选题:1、物体到凸透镜的距离为u=8cm时,在透镜中看到正立的像,当物体到透镜的距离为u=10cm时,在光屏上看到倒立的像,当物体到透镜的距离为下列各值时,对像的性质判断正确的是()A.u=20cm时,成倒立缩小的像B.u=15cm时,成正立放大的像C.u=9cm时,成倒立缩小的像D.u=5cm时,成倒立放大的像2、物体到凸透镜距离为10cm时,成倒立放大的实像,当物体到该透镜的距离为18cm时,成倒立缩小的实像,则该凸透镜的焦距f的范围为()A.10cm<f<18cmB.5cm<f<9cmC.9cm<f<10cmD.18cm<f<20cm3、物体通过凸透镜可成()A.正立、缩小的虚像B.正立、放大的虚像C.倒立、放大的虚像D.正立、放大的实像4、放幻灯时,幻灯片应放在()A.透镜的焦点以内B.透镜的两倍焦距以外C.透镜焦点以外的任一位置D.透镜两倍焦距以内,一倍焦距以外5、某凸透镜的焦距为10cm,当物体沿主光轴从距离透镜30cm处向15cm处移动时,则()A.像变大,像距变大B.像变小,像距变小C.像先变小后变大,像距变大D.像先变小后变大,像距变小二、填空题:6、当物距在1倍焦距和2倍焦距之间时,像距________焦距,得到了________实像.7、在“研究凸透镜成像”的实验中,为了使像成在光屏的中心,必须使烛焰、透镜、光屏的中心大致在___________.实验中,物体距离凸透镜24cm,在光屏上得到一个放大的像,此凸透镜焦距的范围是_________.8、在凸透镜成像时,当物体由很远处以速度v匀速移近,直到接触凸透镜的整个过程中,像与物体间的距离是________,像移动的速度是________.9、物体从焦点处向2倍焦距以外沿主轴移动,在这个过程中,物体的像距如何变化?________;像的大小如何变化?________;像的虚实如何变化?________.10、当物体离凸透镜的距离________2倍焦距时,凸透镜成倒立、缩小的实像,这是________的工作原理;当物体离凸透镜的距离在________之间时,凸透镜成倒立、放大的实像,这是________的工作原理;当物体离凸透镜的距离________时,凸透镜成正立的、放大的虚像,这是________的工作原理.三、作图题:11、把蜡烛放在离凸透镜远大于2倍焦距的地方,在光屏上出现了明亮、清晰的烛焰的像,如图所示,请完成光路图.为搞好山东省交通科学研究所研发基地项目的结算审计工作,我跟踪审计部特针对本项目作如下要求,请各施工单位、供货单位遵照执行:andperformancetestcopiesoftherecord.Ifnecessary,reviewshouldbecarriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.14.hangersinstallation7.3.14.1hangerlayouta.acleardesignofhangershouldbeinstalledstrictlyinaccordancewiththedrawingsanddesignsshallnotbeinstalledwrong,missing,etc.B.ownarrangementofpipingsupportandhangersetandselectionshouldbebasedoncomprehensiveanalysisofgenerallayoutofpipingsystems;coldinstallationofsteampipewithparticularattentionreservedforcompensationofthermalexpansiondisplacementandorientation.C.supportsystemsshouldberationaltowithstandpipeloads,staticloadandincidentalload;reasonablepipingdisplacement;guaranteedundervariousconditions,stressarewithintheallowedrange.Strength,stiffness,andmeetrequirementstopreventvibrationandsoothingwater,withoutaffectingtheadjacentequipmentmaintenanceandotherpipinginstallationandexpansion.D.equipmentconnectedtotheinterfacetomeetpipelinethrust(torque)limitrequirements;increasethestabilityofpipingsystemstopreventpipeline...Tubewallthickness(mm)2-34-67-10weldformnoslopemouthweldstrengtheningheighth(mm)1-1.51.5-2weldwidthb(mm)5-67-6hasslopemouthweldstrengtheningheighth(mm)1.5-22weldwidthb(mm)coverhadeachedgeslopemouthabout2mmargonarcweldingweldstrengtheningsurfaceheightandwidthtubewallthickness(mm)2--33--45--6weldformweldstrengtheningheighth(mm)1-1.51.5-22-2.5widthb(mm)12、下图是凸透镜成像规律的示意图,图中A、B、C表示同一物体放在三个不同的位置,请通过画图大致表示出像的位置和像的性质.四、实验探究题:13、在“探究凸透镜成像规律”的实验中,凸透镜的焦距为10cm,当烛焰在光屏上成倒立、缩小实像时,蜡烛到凸透镜的距离应大于________cm,当蜡烛到凸透镜的距离小于________cm时,通过凸透镜能看到正立、放大的虚像.14、实验题表中为某同学做“研究凸透镜成像”的实验时记录下某透镜的成像情况,由凸透镜成像规律,根据下表可推知该透镜的焦距应是__________________.15、在“探究凸透镜成像规律”的实验中,必须先________,然后把蜡烛、光屏分别置于凸透镜两侧,调整凸透镜和光屏的高度,使它们的中心跟________大致在________.16、在“研究凸运镜成像规律”的实验中,请你设计一个测量凸运镜焦距的简易实验方案,写出实验步骤:(1)________________________(2)________________________评估你的实验方案的优缺点:________.五、应用设计题:17、小红在探究完凸透镜成像规律后,产生了这样的一个想法:“凸透镜能够成像,那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