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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 fi-4t(oef;evq6qgw,ipa qslw*w 4w t81lm is exposed in a camera is determined by gpva-qs4o *lt1i; wtw,(we6w4fq q8ethe

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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 r.nsjt;0bxzobg* a ; v2gxov07eaching the film 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 the lens-film di -b,;k9z, z44oppixgq*aemfu stance may be varied by sliding the lens forward or backward *zp4,exa k4,-bquzf;mo9i g pwith 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 coversc6pp7. )/ xnjllr *s)vz;jvnr the film with a field of view that corresponds approximately to that of normal vision is refer;vxlvjnzr* 6p) )jr.np/l c s7red 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 k xc ebk7:rx+j0 tu);/pt/giq: eyft8j h-xp9telescope 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 thb9y n ;gcgf/8me film with a wider field of view than that of the eye and thc 8b/m9; ngfygrough which objects 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 o1p-vi u v6hgo7g2; hydifferent 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 e7lh fcg;(re1 b2q wc )w.v/aacye 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 ai aa 1uh9j2 c*rk 3j45y0vnqbgt which an eye can see 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 se,iq m 7l3zcr :vhatfc7)521 un*fwpbee objects 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 is too long from front to backx4g : kd1/,;zz y*k5rn ggfmh74waymu, the person is likely to suffer fmnf h 1 a4kmudy*/, g kygzx:7zgw;r54rom

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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 corrv :c(ps: jimge /9iy:x(zm kh9dfn2f,ected 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 giveses,kdr w w)1l6 rise to a vision defect that can be corrected b1d,swl6rw e) ky 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 frev(ub/v3 7j5i wc(0uaul9f ydom front to back, the person is likely to sufuy(097ued u/vw fbjavi (3l5cfer 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 correcte djfruf/b ).q7d 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 to5pfs*jgs8 1ek9k4s(xy ju p qd t1)7qeo short from front to back, this gives rise to a vision defect that can be corrected bkd(*f e8 1e9kqy45 j7tqjpxsusp1)gs y 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 n3s s tyro5w9*)d pb+oglass?

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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 veya5l)nj 8h: dp w (hp5csvqvg53z52 v+jxn4o yry large diameter objective in an astronomical telescope wlpnpgv( : h j s55q3jcv)y+8z5y2xnhova5 d4is

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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 scree g6tz8 me qe6mfw0/y7pn is placed in front of the lower half of the objective lensqm/ pf7 tez weyg08m66. 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 throughouyq ;35)* fzriibe-wywt the visible spectrum, in which of the following cases would you be qyi3wbw fi ez;5)-r*yable 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 mag+jtwlrjug ()0 d ;+lvnnification $m$. 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 0*ktxmyv x;o(able to see the greatest detail when using*0v yo(x ;xmtk 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 suffe(j5do8gwhq q5xgmzs 8j;7 ds 6r from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suftad:noue. 8bct: n8rws6p ,w 2fer 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 a microscope refersr/ub: wm1yrr( 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 resolving power zs*6bj 6 p/lwb7,ffebassuming that all other factors remain unchangedfjw6f,b/ elpb zb7* s6? 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. W x2*/z//kn frm1kl at)x8skf i ed62zmxu) /ushat lens (in diopters) will allow this perd/ez/irf u*at)zmkx/kxkn 61/ l2xs m 8 2us)fson to 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 objectse8df1 h.o:xwr more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of fodw 8 her.x1: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.t2ti j6.ijfd8- qd nyv6+ vtz-zhww:, What is the person's far point if the glasses are very close to the eyei nzjv:2qd8-izw fh + 6- yw6jvtdt.,ts?

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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 un kn79e+c6vieycorrected near po6ine+vy9k 7ceint 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 100 cm. She places reading gla/ cac)qh7 vpo92a*i7:dqxxbqsses close to her eyes, and with them she can comfortably read a newspaper 7xx q v */ad hca9pobq7)qi2:cat 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 newspaper henb3h 5,4lxtf oy:qo:(asoja:ld 25 cm from his eyes, if he wears glasses ::y x:5tfjlb oqa4nh o(sa3,oof
+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. jm(btc ,sqvqcz 6mh**73dy g focal length of 10 cm. A person has a near point of 25 mh s3mc7c*.6*yv(g qqbjd tz,cm. What is the magnification of the lens for that person 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 xl6h/utlx: r0w)6ehs6uo: bk 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 focusedw /:u6x k6uht:)0ros6lhb lex 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 c:qt3-4kv0vwpj1d fp 7wzti 07.0 cm. What is the magnification if the image is viewed by a relaxed i :1pw7 vtzd tf-qw30jcvpk4 0eye?

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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 convergin*trzv ) ;4lwfbg lens of focal length 5.0 cm as a magnifying glass. What is the maximum possible b l;fw)zt4v*rmagnification?

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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 convjw 27f/zlkj 2rh 3d5smw;0b.n l0b9xs pc9eyd erging lens of focal length 5.0 cm as a magnifying glass. What is the magnification ifm;yls0d03rx2 2c l9wb9jzp/7 df. senj hk wb5 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 cm, 4.0 cm, 8.0 cm, andjs. duxh vy)02er97i /b(vtvc 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnificatiocv .rjsi79x0(ut vy /)vedh2bn 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; ipd:28 :cymimamjj*81rfi w.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is m21y jrij f:;8wipmma8idc*: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 telesco vf7fjul92ck o se7b2bn*r11 gpe has a focal length of 200 cm and its eyepiece has a focal length of unrf gb1bc1se*fv2jl 9772ok
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 of 105kbr ix/0hvandma9hc5i7 nf- shp, 91. If the telescope has a cons n 9hipk5c xh5nvb iam0 h71-,fdra/9verging lens of focal 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 a2ep,4wgu/af /f;wdb +w n2vpa stronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, wheapp wb a;,/vwdu gwf +22n/f4at 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 limited to a length+usp.ko etlt v7j(/g1 of 20 cm, whslvt/ 1o(p+guet 7kj .at is the approximate focal 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 objecw6.chwar hx,3 y x6oopx+*2d : xrjc0xtive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for mxryp.jdh+ o2rhx6awxx63cwx0 :o c, *inimum 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 anxum- tgqx837p d an eyepiece of focal length 20 mm, adjusxmp u 387-xtgqted 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 3.00 mm and ak 6 12 fv0mxfbomt(sg.n eyepiece ofbg kmf tm6s0ofv1x2.( 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 hr w1h34)sqh lnmu;7 dhas a 18-cm barrel and an objective with a focal length of 8.0 mm. What i uhwh;nqd7rm43 1s)h ls the focal length 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 constellak n+b) 9hoyfy 7,42wdwu gum8htion Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is )uohhyb8k+ ww9n fy 7,dm2u 4g500 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 resolve objects whieh mkf0f6oh 8z0z3:zwg) pzd3*a p4 qqch are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of lioq 0hfpa e4)8* 0 pw6hdfkm:3z3z gzqzght used is 550 nm, 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 changeskws:.orpth/7ydb *; e)z d6ek from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. /;dbhzp) 6kkst.7*r edy: we o 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 Telescope has r 8/-t hfvse.t.ga,yn been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavevn 8,-eft/sygt .rha.length is 500 nm?

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