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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://51fly.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 120，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://51fly.win/test120.html  教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 游客未登录  开始时间: 23年05月01日 10:00  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The length of time the shutter is open f00 1to u5kwnlm +fc,iand the film is exposed in a camera is determtcwo,5l0mk+i fn 0 u1fined by the

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The amount of light reaching the film in a camera is determined )m 7fey*ucrvk 1 f6.kaby the

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single-lens reflex camera dt i+ge0( yd-xthe lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture ised ix-t(y+d0g obtained, this means that

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that covers the film with a field of view that corresponds approxhuzfx/ jne t- njfmq m;0p2ky05z 2v(5imately to that of no5m (n52nzjvff-y;jmteh0p2zxk 0 /uqrmal vision is referred to as a

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that actsst 1i/ p)xgsd2kt*u1 3ek ryc- like a telescope to magnify images is referred to as a

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that covers the film with a wider field of view than /y;s0n u)l ifq5pgikr 1,s sk5that of the eye and through which objects appear smaller is referii,n5fugy / 0kpsl15sk)r s;qred to as a

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following ways is a camera different f6qkuk*p ehm i36 omzivf .u1y9/)k6rt rom the human eye?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refracth2igfl7* p 9joion of light by the eye occurs at the

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The closest distance at which an eye can wj(sa j -2xn2rsee objects clearly is

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distance at which an eye can see obje48gw5q+ugdca g0k8m dcts clearly is

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball isn,ql75 hk-/ ;znyem; jr- wor6yu-exu too long from front to back, the person is likely to suffo;zenh;n-r5w7,/ -yrx ujyluqe -m k6 er from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually be corrected (tx c79rdhdl g+sj p9.with

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeball is too long from front to back, 2r15-jn9sb 5wtgbfn c36ptlde)tj + b 8i wve2this gives rise to a vision defeccj2e)w +n95bgs te3ij6p t28- df1l rwtvbnb5t that can be corrected by using

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball is too short from front to back, vvh7 ki9( 0t2wbnxxl(the person is likely to suffe wih(n txv(7vx9l02 kbr from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usualpw k+)*vtis(*ba aq (vmz16qzp 6e81avdy1sc ly be corrected with

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeball isjom qg;8ypm oa- 08f)wsw:: fg too short from front to back, this gives rise to a vision defect tgafwm-: wmjoqyf:8 0po8g s;)hat can be corrected by using

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What type of lens is a magnifyin87fwny n *uoqc4jvrq i2qp/4 3g glass?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason for using a very large diameter otj+don d t3qlfty+3;;bjective in an astronomical d3ldtnq+ ytj;f ;3+totelescope is

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider the image formed by a refracting telescope. Suppose an opaque scre55xsiyrz*bd (en is placed in front of the lower half of the objb5 i5rzs x*(dyective lens. What effect will this have?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Assuming the film used has uniform sensitivity throughout the visible spectq1, of 8n27 lnxt uhm*k.jfqh1rum, in whichj1n,k.fo8 q *n7uq hhmtx21lf of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objective lens of the telescope used.)

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescope has a magnification k e cku3;lwtgy17j u4z7x-me9 $m$. If the objective focal length is doubled and the eyepiece focal length is halved, what is the new magnification?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  With what color light would you expect to be able to see the gro/w63c tbdv07hyl:s veatest detail when usiw l7ys:0c/vdtv ho 63bng a microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff1;9;ndzhw cfy er from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff- mof*; p1s3sxrg cgk+er from

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power opon j 4)je6kf3 f,n8gnf a microscope refers to the ability to

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the diameter of a radar dish is doubled, what x1wj325vij 7z*xh hc whappens to its resolving power assuming that all other fjxx2*hc7v5 i hzwj1w 3actors remain unchanged? Its resolving power

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A near-sighted person has a far point of 18 cm. fbnqhub :g lwx4e;1*y4;jla4 What lens (in diopters) will allow this person t*ew4l:a;;4jg b bln4x hf qyu1o see distant objects clearly?

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person cannot see clearly objects more than 70.0 cm away. * ;lu l*a8m7krt*l4 wiw 8rmteWhat power of lens should be prescribed if the glass is to be worn 1.00 cm ina;r48keiw7 m tl*um r ll*8w*t front of the eye?

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A nearsighted person wears:wh8en89 w mgxelr(o 4w i6tb. g0tid4 glasses whose lenses have power of -0.15 D. What is the person's far point if the gl(wt4 ni 9whg:idmx806g8lerbw e.o4 t asses are very close to the eyes?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What power lens is needed to correct for farsightedness where the qbh99 n/vdc +funcorrected near point cvf/9 +bnh9dqis 75 cm?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The near point of a fhc yqug *86npqc 6m05sarsighted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What l 5scqy8p*6qcm hgun06ens power is required?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A farsighted person can read a newspaper held 25 cm from his eyes, if he d6d/k-jta v iskr*3o ,wears glasseso/st 3k i-d,dak v*6jr of
+3.33 diopters. What is this person's near point?

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens has a focal len7.lks:m gw.fq1 pqx ,pgth of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are f .s.qm pwkl71,q:pf gxocused at infinity?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens has a focal length of 10 cm. A person has a u93use9 u,z:pyx g;x snear point of 25 cm. What is the magnification of the lens for that ues;9u 9,sgp3xu zyx: person when their eyes are focused at their near point?

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying glass has a focal le323h y7enpdwt ngth of 7.0 cm. What is the magnification if th p w7d3e2nhyt3e image is viewed by a relaxed eye?

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a converging lens of focal length 5.0 cm as a magnifyingye-12k*g*)yx7tm k scygrs.c aj;cn 9 glass. What is the maximum cc1rj . an2x)eys y97cgygk* tk;s*-mpossible magnification?

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a converging lens of focal length 5.0 cm as / t0tk)j1omyy nl)6q yh lbo96a magnifying glass. Wyo6jtln91 kq 0 6th/bylm)yo)hat is the magnification if the person's eye is relaxed?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focal lengths 2.0.io xt lb44b;v cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you wti. obb;4l4vx ere to use any two of these lenses to build a telescope, what is the maximum magnification you could achieve?

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focal lengths 2.0 cm,21 khad)d1j: exk i-ss 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnificati1esksj2:i-h a )1dkxdon telescope?

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The objective of a telescope has a focal length of 200 cyllut2*j3(cg h6p +u gm and its eyepiece has a focal ljgl (l+yp *2 6t3gcuuhength of
1.1 cm. What is the magnification of this telescope when viewing an object at infinity?

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs an astronomical telescope with a magnification o5-haq*ai8xrc .h zr y6f 10. If the telescope has a converging lens of fy 5rcaai.q*h -hr6xz8 ocal length 50 cm, what is the focal length of the eyepiece?

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs an astronomical telescope with a magnification of 10. 3m( - rpjb 6nvbvn*4pb0o5vsw If the telescope has a converging lens of f0wj b b*4svmvb(36o-n 5rpnpvocal length 50 cm, what is the resulting length of the telescope?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person is designing a 10X telescope. If3i.ms b3slv b/ the telescope is limited to a length of 20 cm, what is the approximate focal.b33 slims bv/ length of the objective?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objective lens oo8cr)ht9(t *qltuw m r(jp al+53jb/;z) qfidf focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm q; l/b)ojrlc39hujwt a)m8qft5 prt( *(zid+from the objective. How far apart are the lenses?

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objective lens of focal length 1.4 mm and an e 1 0,a29ry tai-wzpqlayepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What i qaz2l1iway pa0t9,-rs the overall magnification?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has an objective with a focal w zn73z)x d55m )oberslength of 3.00 mm and an eyepiece of focal length 6.00 cm. If the tzb exn)ro dzs7553w )mwo lenses are separated by 40.0 cm, what is the total magnification?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has a 18-cm barrel and an objective with a focajbdx/l0 u dm(3l length of 8.0 mm. What is the focal lenxlm (0 3/dbdujgth of the eyepiece to give a total magnification of 240?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A binary star system in the constelgbghg5(7lvnz.tlr e *zn e )41xxiq 5.lation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telesvzen xl7g)*.n t15 gl.i(geh 5zqb4xr cope that can just resolve the two stars?

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope is designed to resolve objects which are 0.01g2noehj8.0tmj::ky e0 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, whhkmtj:8 j o02:.eg neyat is the diameter of the objective?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The pupil of a person's eye changes from a diameter of 3.5 mm to 1 4k6cy vj(b;74)r1txewvqoxl.5 mm as the illumination is increased. By what v 4q 1yk 4)v xwr7c;teoxl(6jbfactor does the minimum angle of resolution change?

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  The 2.4-m reflecting Hubble Spac6ry3w ay:h1 jye Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could thi:6yjhwr3yy a1s telescope achieve if the wavelength is 500 nm?

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