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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 and t5 ma(02inio/ ntn,eolhe film is exposed in a camera is deteonit2ma(/5 l,ni0enormined 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 dy2a,u 5iy:3 tqrt.zmz etermined by 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 the lens-film distance m* jyno y01t:.5 apjxb0gfz qg g8sot0*ay be varied by sliding the lens forward or backward with respect to tn y8*gojt5o* tgs:010 a0. pzfxjq gybhe camera housing. If, with such a camera, a fuzzy picture is 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 ,x pobznfd88*view that corresponds approximately to t8d,z fx*8ponbhat of normal 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 acts like a telescope to magnify images is referred to as ab5o1 j(t9.* uapv n 8j*si.xegbll f6m

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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 fi2zi2hnoposv7 q. y+ o:c1bh x)lm with a wider field of view than that of the eye and through which oo qbzyoph2 12)x:h7s n+ocv.i bjects appear smaller is referred 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 from the human eyed hq8 i4frak;/gg svi-gb.p lq(( )y(r?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refraction of light by the eye occurs68 s9qug bhd ;-w r ynu,/gl)/2hblwlx 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 see oav4:0kw8spwh+pr(b;/ g o fgebjects 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 objects cleme6 tw8 cih3w/mu)4k( poo5poarly 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 is to38)fq uk5 mvhno long from front to back, the person is likely to suffer m5 qvu3h)fn8 kfrom

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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 wisjrt m9yj/s.o(d7 p q2th

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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 h- a)rbuf6 g pg:2au0fis too long from front to back, this gives rise to a vision defect that can be corrected by u:0 - 2b g6arapguffh)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, the pe u8 xslsvp/eyb;1u:5n rson is likely to suffer yu nvusle p:s5;b8 /x1from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usut )wm4j 4iw3ron uw*(arwyv/3ally 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 is too short from 5)g8u7-czgig6b op o0/figlgw (y 8l yfront to back, this gives rise to a vision defebyoi6 8 /il)ug5 cg wp-z f78log(0gygct that 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 magnifying glai-z, z4pm*jwv(juq 9 nss?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason fovfg5k j4s31qsni+* agh: q.mwr using a very large diameter objective in an astronomical telgsnqh 43k: 5ma qg.1j*is f+vwescope 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 form-inwxbn:b+1 j wew3 -zed by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect eibn1 w-w wz:b-+x3njwill 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 visibl,z4l mc,cekr9w jz. w7e spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The ler mc,, zzje9.7wcwkl4ns 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 hmsks-j(s c:jbhfneb w: 8 nn8 -((ds1bas a magnification $m$. 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 t93fgwqgj t)x jn;j,f *o be able to see the greatest detail when using a microscop,);xtj9q3 ngj fj* wgfe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fro jrgih) l *r( bp//muyxj27j:*k eue(hm

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer l9bc0gv7p;va 4f:s zi-o xpe 8from

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power of a microscope r)wx9x6s he,x) 73ok 382 n wzybdswiwoefers 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 happens to its resolvijaf;mbo v519ung power assuming that all other factors remau o;jb 59v1fmain 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. Whw./m2d;p9zax g.g*gsuyo,sew l3 0pbat lens (in diopters) will allow this person to see distant objects clearly?mdeb ,o lp2gp xz3w;gs0w.9 g /sau*.y

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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 mh3 dvn-m:,o1vxbotu 5ore than 70.0 cm away. What power of lens should be prescribed if the glass n umo3d:v v,b xo1th-5is to be worn 1.00 cm in 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 glasses whose lenses have power of -0.15 D. Wu2 8ft5pgign mr.kfu2(nic 4pto35kb2 l7:o n hat is the person's far point if the glasse c3 ou (pbfpt54nln5kru8k gg i2nmoti f22.:7s 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 needc m(nrdhz//sf tuu )z **a1)uu idik5mt)i6*zed to correct for farsightedness where the uncorrected near padzzusku/(tu) rmtf n5*i)hmiiuc*z ) *6d /1 oint is 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 farsighted person is 10u-pm gy.rysdu.35 )v+zh wk0k0 cm. She places reading glasses close to her eyes, and with them she can comfortably read a nezurmyy0d- 3vusp5 ).g.+kkhwwspaper at a distance of 25 cm. What lens 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 newsj tpwt5tr2+2q qi 3oz0paper held 25 cm from his eyes, if he wears glasses oqp t35zrojwtq0+t2 2if
+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 foca23t l6fb2puyjl length 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 focused at inyul 2bjp3f2 t6finity?

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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. p36 t*4 r2ovlzj2 cgco A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are f32z crvt4jgpo*o l6c2ocused 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 length of 7.0ptf abc**29oa cm. What is the magnification if the image is viewe 29o*fca*aptb d 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 lengvma3z:vmm0wp. b5hp8ur 08q vth 5.0 cm as a magnifying glass. What is the maximum possible mv8mhr0vzb3:0p umqp8m5v a. w agnification?

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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 focals a ) -lqcra98c(ujz akt4(*n og+9qao length 5.0 cm as a magnifying glass. What is the magnif(q -osork ( aaaqt 98za)9cc+jn4*u lgication 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 lengtj q38gyo9 u46pp*sd.7ikyod jhs 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you coul 3 okqg7p8u*jiy9 4yspddoj. 6d 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, 4.0 cm, 8.0 cm, and 16 cm. I8nb0;n* v0wrv 8njczf f you were to use any two of these lenses to build a telescope, what bw n*vj0n;v88z0 rncfis the lens separation for the maximum magnification 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 19 lx d2mjgu1dfocal length of 200 cm and its eyepiece has a focal lengg1xju1dl9 2 dmth 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 + yc xyuy4wxv0 awkzy r4+n);4of 10. If the telescope has a converging lens of focal lenx4yz)4auxv+cywr4+0yn; ky wgth 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 asn/ds*b rz8adggh+8) htronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is ) rz h88hbdn/+gd asg*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. If the telescope is limited to a length .6nnfp* o-x g 4ab3srd0gnu9f of 20 cm, what is the approximate focal length of the objectu.30 6ox9s-gnp *gnff4ad nbrive?

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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 of focal length 1.4 mm and an eyepiece of focr8w 0j0(yai3v +egho val length 20 mm, adjusted for minimum eyestrain. A blood sample is p+hra8 (wi3v0o eygvj0laced 1.5 mm 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 lengthf-arqbh m7-k ra,r 2f3 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the obje r3hq,7 2 -b-mrrakaffctive. What is 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 hply590 u4yeoaas an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 opul4y9 e ya05cm. If the two 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-cmcoer y,-9) t4rvk,a rti3/ikb barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total 943vc e ,rkatkbo,riyr /i-t) 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 constellation Orlqdg c. b0s7mf- qk /f9a*/jerion has an angular separation of 10-5 rad. If th*sgf/ j/0badf.lecrq - 7km9qe wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope 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 resm1pz j56epr) aolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm,eza5jmr 16 p)p what 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 6 d7g8w sajj-g kcp4yr eadj+xo fc685()gd v;1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution chand oj67-dg88+cs djx) ;g eacpjf(r5kw4g6yvage?

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单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The 2.4-m reflecting Hubble Space T0zes cd1s *qv30g6no:ouyh i5 elescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if n 0c o:q5 v6y1s*sheod3i0guzthe wavelength is 500 nm?

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