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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://autoconfig.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://autoconfig.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 the film is exposed in a camersgb vi1h o861ua is determu ibvosg81h61 ined 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 jdh dwjvr5ptkssay8g.89 o 1i6;*u/ bfilm in a camera is determined 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 tmvek- r 3-psp/he lens-film distance may be varied by sliding the lens forward or backward pk r/m-e 3spv-with respect to the 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 view tq9;ppyewm n-dmr- 1 y2hat corresponds approximately to that of normal vision is referred to q yp; 1m-ynm-pedwr9 2as 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 tel 3 ub y)pw/pp5ae9vj )56ynylzescope 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 t,0y ,mjo* xyu*bjh2zghat of the eye and through which objects appear smaller is referred to ah,*y0jz y2*om bxj,g us 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 q/v5ia)e1puo different from 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 refraction of light by the eye occurs at 43z-hx ht+(8 mp aaj8 9mivrlk5go) bcthe

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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 objects clearly icpq26y ybp;d;n 0qpu7l 6x3or s

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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 cleari5 xh7(ijki h1ly 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 too long from front to back, the person ;4ijedw )bb8ens+ k c/:jlie9 is likely to sufi+b4nw esc l/; jj9e:ibdk8e) fer 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 corr5ayl-nfign3e41 zo ) kected 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, this gives rise to a vis6tp63lqr op s;ion def6 rp3t;6lspoqect 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 y27cg0v/f3 fwqtm7i ofrom front to back, the person is likely to suffvym37ow/ ftf gci02q7er from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually be corrected withc+b6d7 lyj( ydtq3o/.l*n gm q

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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 front to back, this gives rise to a vab1u 1idf l y/7dli:drh8q9 (dision defect that can be correcteh1 b8 d/ 19yid(:daqflrliud7 d 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 m. fulvy 93k(fck4 fi.ragnifying 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 dia gnrer6-3nf,rw+6n pz meter objective in an astronomical telescopn rp6nrfwz+n-e, 6r g3e 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 )ealnr;wg- s 1refracting telescope. Suppose an opaque screen is placed in front of the 1a) len;r- gswlower half of the objective 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 uniforme-ng/ ,2n-awdn lgr7 t.qxbn1 sensitivity throughout the visible spectrum, in which 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 thee,gn27n/bl-adt-rg. x q w1 nn 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 magnifi shl;qbh/ b2/e0sc ro2cation $m$. 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 ab+j62hd8 w4 ygfd onnl,c n7+ov 1uav+dle to see the greatest detail when using a micro+gd ,1l f vun+yj dn6a4cvwd 8onho72+scope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frv id(j 1g n /us:fo-roe,jz12xom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffmkv4ia4187e ghfpyz (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 of ukd.ji;n v6q. 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 happens to its resolvin cvukw8,n/1np -ek6ygx9 b9zt g power assuming that all other factors remain uncn x/pb wykcz-9u8en g,vk6t19 hanged? 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. What l75,8 oneuxrf qens (in diopters) will allow this person to see distant objects ,7 rqx5un f8oeclearly?

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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. What power of len7sp/kx.v+pjrc a3oe 6s should be prescribed if the glass c7axojesr/k. v+63pp is 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 havwhtks ge/ob +9 -vltaj)d- :f7e power of -0.15 D. What is thek:/+l dsoagjh9bv )tf -7etw - person's far point if the glasses 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 uncorrected:hua9e/ 3 bvpt nearehut b: 9a3/vp point 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 c7 )l4j3p-0zw5onayv i le ma9e p42olperson 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 p5io )e3 na04o7zl4-ypcjawl9 v2mel 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 newspaper held 25 cm from5d- eoxaawp v8d5y q:et77g-w his eyes, if he wears glas:etqwvwp7ex5adyo8-d 7 g5- ases 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 h 9cprx ;hzf2xp,z. q(length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that hx. zfqxh 9prc2, (p;zperson when their eyes are focused 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 near point of 2z:lx)b m6bg5s5 cm. What is the magnixb )6g:5s zmblfication of the lens for that 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 length of 7.0 cm. What is the magnification if h; tqm fz- 8*+xnkcx5qthe image is viewed by a relaxed ey5x qm*xfh+cnz;t q-8k e?

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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 magnifyin xw7ll.k(n3bk/1 iyn zvz:*ej g glass. What is the maximuw.bkzj n:y*izx7 (evk31lln / m possible 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 convergh0l1 vw qm,tx;ing lens of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is relaxed?v ltqhwm;01,x

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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 fojbh:o o6t+z* ucal lengths 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,ojtz:bho* 6+ u 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, 4.bvs;o: 4jgj8uc-l pa 70 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 th4j;:a8-cgo j bu7s vple 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 tele 6pfo.km-i o9o mtj0z*scope has a focal length of 200 cm and its eyepiece has a focal lengt k 0z9j-6fo*to.oimpm h 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 astpepi tsi,nm7x rqdo*50 1 2:rqronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiece?7e 1rt* q iqm02n:ospi,dr 5xp

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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 ooryz/9 jn5o9kk; oo4astronomical telescope with a magnification of 10. If the ter/k 5o9 ok9o;o4ynjzo lescope has a converging lens of focal 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. If the telescope is limitey;f5lk-g(fy 5 bicg/eq /a4: 5beduen d to a length of 20 cm, what is the approximate focal length of theebygu- f/kli5n;eb5/g (qdyf4:cae 5 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 of focal length 1.4 mm and an eyejhfbi5jmp8w)3,j4 (ft +frwj piece of focal length 20 mm, adjusted for )p(rmijwjtf5j w+f hjf4b,38minimum eyestrain. A blood sample is placed 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 length 1.4 mm and an eyepm z7yk8bt ,ws w)wf1ha,s.el9iece of focat,hw wf l7zm8 s9.a1,bykswe) l length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. 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 has an objective with a focal length of hf y.x +ddan113.00 mm and an eyepy+ fan dhd11.xiece of focal length 6.00 cm. 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-cm barrel and an obje d.- ti6iv:lbective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 240: - i6.itdvebl?

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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 Orion has an angular separat;g5n,3aa ;qfdyl yb /uion of 10-5 rad. If the wavelength of the/dbl y aa;y5 u;qfn,3g 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 if .sth)ps61bw j1g mw(s designed to resolve 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, what is the diameter of the objestm.w 1w(6jgbs )1pfhctive?

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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 1.5 oo9dz3elm tkwv3jxu )89k;vd *ij 45 qmm as the illd4m*w 9exj8zo3k5k ji v )qv9udt3; olumination is increased. By what factor does the minimum angle of resolution change?

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The 2.4-m reflecting Hubble Space+hh/ 3-a9gi;kngh lu v Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is -ank 9hvi; /h+ug3hl g500 nm?

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