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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 the filnskpt- 0n7p v+p5)btp5pc) jj m is exposed in a camera is determinedc)p705)- p jtp 5vkjnps+ bpnt 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 8;bc5,gbxakk r ,edg)reaching 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 distance may be vrw rqca52 c51i:vfo kxu33n0naried by sliding the lens forward or backward with respect to the camera housing. If, with such a cano ua3cx2 w q5f5:1r30rnikv cmera, 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 thatvb1u d79*elw8dl tv8p corresponds approximately to that of normal vis8v 8l7 1*l9wdtvpe bduion 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 tu7lls*q1slk s8u 81qho 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 coveqilgx)k fb:18m/wl u* rs the film with a wider field of view than that of the eye and through:uw8k l)ilq 1*g /mxfb 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 4 g:xo), abtz4f4uwaxcamera 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 u8)1*ca7k vgdnkt)o n .fxy. jthe

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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 ow 1*0l)e1 bbvu2vjlrjbjects 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 ape*f *nil4 o;an eye can see 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 longjx,u;m :augb:xbt-x icf uyx-8a :3t* from front to back, the person is likely to sufj:xtm- gxa iu-;by 83tx,aufbu ::c* xfer 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 corh4v9j oi2l*h9xy mql0w1 kgajd(t-*j rected 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 orj)j8 eotl45gives rise to a vision defect thatoor8 tlj)5j4e 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 tom h9ngm+,7 4vb.p4u /jghnnxfo short from front to back, the person is likely to su m/.mnpj49nh4uvgf7+ gn, h bxffer 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 uua)v(c: u2 xobe 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 front to bac em9t4(13ogtv objqv e8sy0.pk, this gives rise to a vision defot te.go49ej0y81 (s 3qvpmbvect 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 glass1qqbx0:dll: k?

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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 o 4 /p)k9ucm80 n8egov 5kfxhhnbjective in an astronomical telescop89p5n4c hh)uf 0nkokge/m 8xv e 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 telesm jqt3 4puug m9u-,/bbcope. Suppose an opaque screen is pl j9bub-pu/4tgm u qm3,aced in front of the lower 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 uniform sensitivity:jns ,w9 ye)5jajad9q throughout the visible spectrum, in which ofwy9ed ,aj asn :jj)q59 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 magxxjbac-6lxen q;2-3 nnification $m$. 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 t.k2t1 aw0hd x b0 rehqddc(e*4he greatest detail when using a microscob(xe1tk2w 0r0hd4q* hdde.a c pe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fbil-a wl:s7m 2xfa1a 7xfj:w*rom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer di:m ukye2 uy i-v/p3p c)e/g1from

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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 micros o5m8fp dp:95fw oyy-ecope 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 doubx: br n6(*/+vgrzjvnfled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolving p(gfnr:6 /b +*vzrnxvj ower

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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 lens (in diopters) mr hzn ;be3t030dd7xlwill allow this person to see distant objecedb dl3rz;xnh70m03 tts 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 object- 93jg5,rrvu 0kx aphls more than 70.0 cm away. What power of lens should be prescribed if the glass is to beh,j-xur rak 3pl 95g0v 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 o5jqn f.k;ejf(p c)jj0f -0.15 D. What is the person's far point cp5 )nj(kqjf ;0jf .ejif 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 uncorrecr:hdwl- 1*rd tu.a*beb4tw8 ogk vo,-ted near poit*8r d1bgta*4o- hwuodbvwkrle. ,-:nt 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 farsigh ry,qo-ujf+xgp; (y0pted person is 100 cm. She places reading glasses close to her-;fy 0jrup+qy(x,gop eyes, and with them she can comfortably read a newspaper 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 newspaper helq94u:vx+ pib ud 25 cm from his eyes, if he wears glasses x b:iup +49vuqof
+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 length of 10 cm. A person hakjx 8r-;umtus 45 oboc(s z 10aj6+lji)kjoq.s a near point of 25 cm. What is the magnification of the lens8lz5s6 jb j0-t)u. kuoxj ro(+ ;kjq1ima4cso 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 ha.q5vlr7ibs2up ta4*wvr x-z) s a focal length of 10 cm. A person has a near point of 25 cm. What is the magnifica .r2*ub-atziv4q p7)sl5xwr v tion 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 magnific8a(rle61tj zeation if the image is viewed b6t8e z(elarj 1y 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 magniy1gaqyu4-, k:w zgmr((3nyv ofying glass. What is the maximum possirw ga34gm,-nq(1o v yy yz:ku(ble 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 lensg5 nbpg r3/cb: of focal length 5.0 cm as a magnifying glass. What is the magnificat 3/cngg:rpb5 bion 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 cm, 4.0 cms8+ sgf.v2;pma9ibzw r n(an7d7a: gm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a tele.a+7r vwnpgam;f8(d m zig:an s 2b79sscope, 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 lnro*s*vxp+ n8iba3z y gh3;xr09hh ;menses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you wesxh mb ;zrg9ponn arh38*x0vh+*3;iy re to use any two of these lenses to build a telescope, what is 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 haswlciggb5u pbq6 4n)g1xq2wp 1v n7kf;h e8v4, a focal length of 200 cm and its eyepiece has a f;n)lg q28,ex51ivh7g n4w fgbpkb1w u6qpv c4ocal length 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 astrob ahcrkay/e/fo 1 /l.1nomical telescope with a magnification of 10. If the telescoel/y b/h/fc a. ao11rkpe has a converging 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 astro9gr2p-9 l8o a 6qejpmiv/qin i-gd80cnomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, whaa/m orpc-i2qqd gv0j86 99pi8engli-t 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 o b((lumycgn3ov g-+,u0v zw-of 20 cm, what ( uo (u3bylvc-m,gw0 v+n-gzois 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 objective lens of focal lengd 4mr 71(yhbyf+d5zh5k9 vbuxo zl5h) th 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blrh5u )v 55bk49zod lfhmhd z1(y+xb7yood 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 eyepiece of f;.md/ev yk(jp v1l bz+ocal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm fv+ kvzm(j/elyd. ;bp 1rom 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 f6km/j,.rvo*te , tzxof 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated b/m. krj6 oz tv,,*exfty 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 objective7 4 o+uts1bfrb with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnificatfb+1o4ubs r7t ion 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 Orion has k0u 2-gtwve:kvljsj5j ok4)u5l d1 k5an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallesog-wku5 k 1 sldke uj 5tv54:v)jl2j0kt 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+ 9rgqnf/rzjgq.re3;i8s e0j is 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 digfqgn9 +.0esqj3zre8rj;r i/ameter 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'zir*fm+, o uv,/od8z is eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the miid r 8,ov,z *zomfiu+/nimum 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 been placed into Earth orbit by ):cpblx; h+fu the space shuttle. What)u+c xplfh: b; angular resolution could this telescope achieve if the wavelength is 500 nm?

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