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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 is expo6crt7:u62*n hydtjv f7p:ltc sed in a camera is determinevt 2 n6lcr7f*pd y7c:t6juh :td 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 cqz9g-yzs .,; m 2+ysykbk2jvdtv(o. 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 bevhb/y;+td( ;cya3l k lbns0.e varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzyb+ ye;cb/ydll; .(n03k vhtsa 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 pud--k +w9u-:3 n vfwzu htif(with a field of view that corresponds approximately to that of normal vision isz-wfu-p :3 +-u(k nh tw9iduvf 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 ref8cp2umulma b6 /o 99aqerred 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 /z6ja 4yzfayd(3 xv1z wider field of view than that of the eye and through which objects appear smaller is referred to asxz /1zazaf yy43d(6j v 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 eq29f gnav-yzig x:1 +isgd5/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 lmdx-+ziuj 9w77zptx 1 fg0,psight 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 ak-e s(*eq .zjqn 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 eyey. +kdxn74o hu 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 totrgne ;pz3 xv 0unks4/,li7 ,p o6ya8k sufiga,p4ky/tvn6u r, 0o zke83;7 xnslpfer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can uqzb fv/.n6 sk+yl 03jgsually be corrected 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 r ercevn.;fm);e 9qrz;ise to a vision defect that can be cvn) mf;9 .zeqec;rr;e orrected 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 tox1 95pspq+ouh back, the person is likely to suq1x59 puh+psoffer 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 correck)8 sx/zmkrf9aw aeo)n , 7ri0ted 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 back, this givesi d0/gl07sdfw rise to a vision defect that can be correcteliw0 0 /gdf7dsd 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 gq 9qtgnzl1*)h 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 using9zy-gmf:y(81 rtul 5te wvv +u a very large diameter objective in an astronomical telef:try1lmv ( 9ueu-8z gv w+t5yscope 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 tel /v4fqu,ftlf* escope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect wilv/t*4flfq, u fl 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 visible spetqg 0kj/n5g+0hi6ja2y8u m fx ctrum, 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 the telescope usej 0h/au ftn+5g8xg6m2 qjy 0ikd.)

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescope ha- qn w;4j* twd0hw65fjay op;ds 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 see the greatest detail ienj+-4;ndnv6gf nz v.hsi7 -when using .dvs 6f gnin;74vi-jz+he-n na microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff/kza4 u 8r*cexlx y60oer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suflow h9,oqcak 1:*pu3qfer 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 refers to the ability ef4-zs) lljb hvp,xn,inhf ;w27+6fb 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 rabs9 s(2p :pckesolving power assuming that all other:cp pka(b9s2s 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 p6j 9z1zj;jpvv-yv(kfq.u:* xmp qg *i oint of 18 cm. What lens (in diopters) will allow this person to see d6jyupx -vi:*k9zpj.q(v*; j f gmqzv 1istant 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 objects mor)sa/g apc7b +wvfa7g8rv:ln ,e than 70.0 cm away. What power of lens should be presc rfp)v77+a bgawsnga:c, l8v/ribed if the glass 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 ha9caf*a0 y8*32u j usrbm0yqcqpxc 8d +ve power of -0.15 D. What is the person's far point if the glasses are very close to the 83cf0ub*cq2y0p jx9 8*sdraqa +ymc ueyes?

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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 t,co h.j+v q3 ( t+2gwee9rndh .jb1zfche uncorrected near poidt3r9 (nv +.hb goejq+. 2 jfezcw1,chnt 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 :bq 8vwggp ++gis 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is requiredgg+b:+qwv8 pg?

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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 from his eyes, 6 q(ux9ule4en if he wears glas(ulqeeux 46n9ses 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 length of 10 cm. A person has a near point of2 elxpzy.(zt ws zg988xlgzo6,; u xo) 25 cm. What is the magnification of the lens for that person )82zszyz xz lxg;o(ge., 6uxwl98pto 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 hay06k jyyhpz)6wd:(sv pn wv6t4ts2)is a near point of 25 cm. What is the magnification of the lens for that person when tnv46sw w k()tpjd0t:yh 2yypsv)z6i6 heir 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 7k).gg. hz(p/5cy-yv7 y q sooe.0 cm. What is the magnification if the image is viewed by yyho/s.q vkg) o e- 7(gcyz.p5a 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 len b3ofhd y.ya3 *o64mnzs of focal length 5.0 cm as a magnifying glass. What is the maximuyn4fm.b*63h ad o3ozym 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 converging lens of focal length 5.0 cm as a magnil *mwon -0lcmi9dmw+ vb3y54 ofying glass. What is the magnification if the person's eye is relaxed?*lmmc i-y0vmb w4w3n+9 oldo5

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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:* u*r7zbgqcjt 1ztxhz 68pm2.0 cm. If you wqzhg81t 6t* 2r*jxu7zm bcpz:ere to use any two of these lenses to build 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 lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. Iy2x 0+oxyqanjy9 (dw /f d(ynyj+ a9o wq 0x/y2xyou were 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 has a focal length ofy gigs ;:v 6*ph4u+d *n chv3rro8x(wt 200 cm and its eyepiece has a focal length orc*8wutro :ih nx+y3v;sd(p h*4 vgg 6f
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 10..z8bb vr x):2 jon6ivn If the telescope has a converging lens of focal len2nv.8 ovz)rix b j:bn6gth 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: 8 fqhku5t+q**p dscp telescope with a magnification of 10. If the telescope has a converging lens of focal length : cq5f t+*khd sq8*pup50 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 limit4c1/fse9k + g1z dk3xrg nsv6ued to a length of 20 cm, what is the approximate focaleg ku361s9 vrkg/x+c1fsz nd4 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 angvce;:uxq sj7k54p (xd an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart arjvsx ug4xe(: p;qk c75e 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 bjh hj+n 89/bd4mt9a 0azg 4qaan eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is place b/ba0qatjdmz4hghn a849 +9 jd 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 an eq yyugp)(kn wp6sb/4vk65;be3;m yhv1 fb m4a yepiece of focal length 6.00 cm. If the two lenses a)y3 6uk;gpmnaq1 bv k/y4fw;m6b(pyvh 45sebre 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 brj;v8rm.y 9 ) vq ywuew)3ue4farrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magniuu;ywqf )8jr .4wv ey3r9)emv fication 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 c 8fko3e-3 hac. g3elhqonstellation Orion 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 3 3k3qg-.8 clhf oeaehcan 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 w(an uggt/ s vxww8l6.(hich are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength oxv8.sgagw u(lw6t(n /f light 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 eq/e- zb4n)a*bqtg ji )ye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is inb)bn-tez4 gqi )q*a /jcreased. 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 bh q4bqyi:z:y3 een placed into Earth orbit by the space shuttl3yzy :q q:i4bhe. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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