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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 film b8y* a btgq::u lb.myx-d+6ze is exposed in a camera is deterg-ye:db6 bm :yt.l+x8 bqz *aumined 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 by0zz;yxu o - (:zmhksoxjk5vn ) lk85)q 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 varied by 7; m3 bs7qv+vj*g a3gtv83sfq 2wfrz hsliding the lens forward 7svr ;vqw2qbt 3vg7z3sf* +m3 gfj ah8or backward 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 fielhwgw4) xdx(xr; , dt)ad of view that corresponds approximately to that of normal vision()ad,xr )wxx ;wt4d hg 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 telescope0:bjby wwlv8+ 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 view5 r49bxdu et6z al3lv, than that of the eye and through which objects applb aerduxlv,z56 9t34ear 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 camujd+cvkkdxo s95: 1a1era 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 y-nfff td 2a5.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 cji m*l;vy; w3aan 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 distanc hhcljl* k*d)ou9;zvg h,:qq6e at which 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 long from front to back, the person is likely to s ,ak:8rhhuz+azr*4--z- bnn ;iazsgp uffer f+z z-s:,krhr48*-aninhb ugp ;a azz-rom

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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 bb mw1i*xr4(ucorrected 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 loz)be2+uhj*cd m7rxal pl6 ,5y ng from front to back, this gives rise to a vision defect that can beu +2ahzr jex*dmyc6p5l, l)b7 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, hh8 32y bn0oi kez2o vmc8n9o-the person is likely to sufmoc bh n2ik h32 yo88no-v0ez9fer 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 bq k 6rkvt017eee 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 ,)(tl-776 3z ap h:mc wzb8o rt3dpgamuud,gzis too short from front to back, this gives rise to a vision defect that can be corrected by7,m)ld dgp8thc ,6 az:zgu m3b to(7-rwapzu3 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 ga5djzu1w j tm,)9l0nq lass?

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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 objective in b*kp6mw7 3w l3voil,drvdz5) an astronomical telescope 37*dkwvpo3 ,6z m5vwd)llbri 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 refrac;gi8gd.w5mt 2gsrl ; qting telescope. Suppose an opaque screen i ;gglms5gi.rtq2 d;8ws placed 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 throughout the vis z6o7 sn vaxou-1.n0s59qc xqnible spectrum, in which of the following cases would you be able to best distinguish between sxs06-vqx9aoc7.15on z nunqtwo 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 telescopld8w bo7 :dev0c9eq 7se has 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 to be able to sev 2-sp h n;n-ug1my24ar qywl*e the greatest detail when using a microscope?v*nw y2 ua shgr;yq1 l4-m2-np

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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 0ncv p9lsj04spuu/z9 m

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffe 10+8sck t ltmug 3cbu/.wmy/yr 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 s 63e56h 5crd4vwvj-izcq8q erefers 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 resol mhgz3xj5w5j,m9 gkv9 ving power assumi z9k5wh5v ,3 jjggmxm9ng that all other factors 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. What lens (in diouje 8f/ wjm. 7 f+tmcqj44 d*vme6vjo/pters) will allow this person to see distant objd. mvm ejf+ /6 7o48cqjt um/ejj4*fvwects 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 cl *fp. md k:xnlaxo67o,early objects more than 70.0 cm away. What power of lens should be prescribed if the glass i:f l6p.7nx*doxok m,a s 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 le(axtpj1 v6 a;snses have power of -0.15 D. What is the person's far px1;ta(pj sva6 oint 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 farsight8j )y),r uevdc/;rmloedness where the uncorrected near point is 75 cmmud oyj)vr r,l8c /;e)?

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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 04nc 0 34q iyrkfsjsr5100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper ac5s44frji 0y0rq3 k snt 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 he*p u.*q1ivpiold 25 cm from his eyes, if he wears glasses p*1puqo *iv.i 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 focry9j:i 7u ,wpxal 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 ew9i7 :,yxu jpryes 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 pb(hvz/wa5y2 g;-yu wzoint of 25 cm. What is the magnificatio2(vwhwbg;ay /-z5 zuyn 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 9m hf/)efpha5z3 9s xeif the image 3ahmpfe5hz/f xes99) 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 magnifying-un/fd /6l8s s;haxz a glass. What is the maximum possible magnificz/xa8/ 6ns ;ulhsd f-aation?

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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 ac,gp)f5gc6iwi/ywr . biyc :n5 6udkim( d:)b magnifying glass. What is the magnification if the person's iwnpc: cw d(/:ygbib)., i gdc5r)6mf iy6uk5eye 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, and 16.0 c+*u spicwvz3yz8(n- em. If you were to use any two of these lenses to bu- p3ucn *iw zye(8vz+sild 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 lengtv7gu-au45dn chs 2.0 cm, 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 m7u45c gnu va-dagnification 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 ted dc ho7 i7t0v5,lsu-flescope has a focal length of 200 cm and its eyepiece has a focal levihd ulo ,-5td07f 7csngth 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 teu (oezv;s.lt9e,u w ;elescope with a magnification of 10. If the teutveee.u;wl; ,(szo9 lescope 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 astronomical telescope d 63vb,kmwif)zsai 0u/0)c-jjdj .p e with a magnification of 10. If the telescope has a converging lens of focal lea,k.vif jjdbu0wcje6 m) 0-/s z3id)p ngth 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 theflio 61;nvd)bisr h /; telescope is limited to a length of 20 cm,)siod16 l;b if/n;vr h what 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 objective lens of focal length 1.4 mm and an eyepiece o y:7dl :ocvc)ff focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective:vc7 fydc:ol) . 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 +lzmc-bbh* eytl p59jfh -9l.and an eyepiece of focal e jy5b. 9 phzb +lcmtl-9*flh-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 by0 py xnh)-n+f9fpw.has an objective with a focal length of 3.00 mm and an eyepiece of focal lengpy+-by)p.x 9ffhn0 wnth 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 antipj+u/,k6/avgy-r apfn: ; wd an objective with a focal length of 8.0 mm. What is the focj-;w k,aa/rp gy6:v/f in tup+al 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 constellation Or p0+1oey++vcq0(epz d+wulaw le n,)e ion 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) telescope that can just resolve the two sta01+e+pdqo l ye +,0pnl)w u( cweve+zars?

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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 d+d 4ke1 ngee-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,4g dnke+ e1-ed 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 changlv . v:oid5:tles from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does to5l ::vi ldt.vhe 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 Telesco i.h;a.jb zi--lltc1gy(dzrdv:q7 g /pe has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope acqvlah. jzd( d- lty-ic1. ;gg/zir:7bhieve if the wavelength is 500 nm?

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