大学物理双语试卷bnew 5页

广东工业大学考试试卷(B)课程名称:大学物理一考试时间:第21周星期三(7月12日)题号一二三四五六七八九十总分得分评分人1.MultipleChoices(选择题，每个题目3分，共30分。只有一个正确答案。)1）parallel平行；perpendicular垂直2)bar棒3)学院：专业：学号：姓名：装订线广东工业大学试卷用纸，共页，第页\n4)transversewave横波，respectively分别的5)inphase同相；destructiveinterference相干相消6)increase增加7)incident入射；construtiveinterference相干相长8)diffractiongrating衍射光栅广东工业大学试卷用纸，共页，第页\n9)relativistic相对论的10)proton质子1.CompleteBlanks.(填空题，每个题目3分，共30分。)1).Amesonwithalifetimeofexactlyiscreatedintheatmosphereandtravelsverticallydownwardat99.9%ofthespeedoflight.Themesondecaysonreachingsealevel.Thelifetimeofthemesonmeasuredbyanobserverattachedtotheearthis____________,andtheheightatwhichthemesonwascreatedis___________.2)TheBrewsterangleforproducingaplanepolarizedbeamoflightbyreflectionfromalakeis53.1。,therefractionangleis__________.3）yxThefigureshowsanoverheadview(俯视)ofaballwithmassmboundcingfromaverticalwallwithoutanychangeinitsspeedv.Considerthechangeintheball’simpulse，__________,thedirectionofis_________.广东工业大学试卷用纸，共页，第页\n4）Thepositionofaparticularparticleasafunctionoftimeisgivenby.Theparticle’saccelerationasafunctionoftimeis___________________.5)w1w2Amanstandsonafreelyrotatingplatform.Withhisarmsextended,hisrotationfrequencyis0.25rev/s.Butwhenhedrawsin,hisfrequencyis0.80rev/s.Theratioofhismomentofinertiainthefirstcasetothatinthesecond()is____________.6)TheequationofaloudspeakervibratesinSHMis,themaximumvelocityis_________,andthemaximumaccelerationis__________.7）If750fringesof589-nmlightaretopassbyareferenceline,themirrorM1inaMichelsoninterferometer(干涉仪)mustbemoved______nm.3.SolvingProblems.(计算题，每题10分，共40分)1）Twoblocksareconnectedbyalightstringpassingoverapulleyofradius0.25mandmomentofinertiaI.Theblocksmove(towardstheright)withanaccelerationof1.00m/s2alongtheirfrictionlessinclines(斜面).(a)Drawfree-bodydiagramsforeachofthetwoblocksandthepulley.(b)DetermineFT1andFT2,thetensionsinthetwopartsofthestring.(c)Findthenettorqueactingonthepulley,anddetermineitsmomentofinertiaI.广东工业大学试卷用纸，共页，第页\n2）Forpolarizersareplacedinsuccession(连续)withtheiraxesvertical,at30。tothevertical,at60。tothevertical,andat90。tothevertical.(a)Calculatewhatfractionoftheincidentunplolarizedlightistransmittedbythefourpolarizers.(b)Canthetransmittedlightbedecreasedbyremovingoneofthepolarizers?Ifso,whichone?(c)Canthetransmittedlightintensitybeextinguishedbyremovingoneofthepolarizers?Ifso,whichone(s)?3)Apersonpullsonthespring,stretchingit3.0cm,whichrequiresamaximumforceof75N.(a)Howmuchworkdoesthepersondo?(b)If,instead,thepersoncompressesthespring3.0cm,howmuchworkdoesthepersondo?4)TheoscillationequationofpointAisFindthewaveequations,(a)placeAasorigin.(b)placeBasorigin.PP.BA...广东工业大学试卷用纸，共页，第页