计算科学大学物理双语A卷(2014)

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1、学院：专业班级：姓名：学号：装订线内不要答题2013-2014学年第二学期期末考试卷（A卷）课程名称：CollegePhysics课程类别：必修考试方式：闭卷注意：1、本试卷满分100分。2、考试时间120分钟。题号IIIIIIIV得分得分评阅人I.Thereare6statementsinthispart.Pleasemarka“√”inthebracketifitisright,ora“×”ifitiswrong.（2×6＝12points）题号123456得分答案1Ifanobjectismovingwit

2、houtanykindofforce,itwillcontinuetomovealonginaperfectlystraightlineataconstantspeed.()2.Theworkofthegravityisnotrelatedwiththemotionpathoftheparticle,andonlydependsontheinitialandfinalpositionsoftheparticle.()3Electricfluxisavector.()4Thelineofmagneticfieldi

3、sclosed.()5Theopticalwaveisalongitudinalwave(纵波).()6Atagiventemperature,lightermoleculesmovefaster,onaverage,thanheavierones()II.Chooseonecorrectansweramongfollowingchoices（4×6＝24points）题号123456得分答案1Whenamasspointisinacircularmotion,then()-5-(A)Thetangentiala

4、ccelerationdefinitelychange,thenormalaccelerationalsochange.(B)Thetangentialaccelerationmaynotchange,thenormalaccelerationdefinitelychange.(C)Thetangentialaccelerationmaynotchange,thenormalaccelerationdoesnotchange.(D)Thetangentialaccelerationdefinitelychange

5、,thenormalaccelerationdoesnotchange.2Anobjectmovealongasmoothinclinedplanefromrest,asshowninfigure,whichstatementiscorrect()(A)Bothofthetimeandthespeedoftheobjectattheendisindependentontheinclinedangular.(B)Onlythespeedoftheobjectattheendisindependentontheinc

6、linedangular.(C)Onlythetimeoftheobjectpassingthroughtheinclinedplaneisindependentontheinclinedangular.(D)Bothofthetimeandthespeedoftheobjectattheendisdependedontheinclinedangular.3Infollowingstatementswhichoneisthecorrect()(A)Theelectricpotentialisdefinitelyz

7、eroatthepointwheretheelectricfieldiszero.(B)Theelectricpotentialisnon-zeroatthepointwheretheelectricfieldisnotzero.(C)Theelectricfieldintensityisdefinitelyzeroatthepointwheretheelectricpotentialiszero.(D)Theelectricfieldintensityisdefinitelyzerointhespacewher

8、etheelectricpotentialisconstant.4ThesegmentofwireinfigurecarriesacurrentofI,wheretheradiusofthecirculararcisR,themagnitudeofthemagneticfieldatOis()(A)(B)(C)(D)5Thelightwiththewavelength55