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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://autodiscover.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://autodiscover.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 thpw5 dgyqz80 q 9s(ke ,y)opfi6e film is exposed in a camera is det5q 9pfw) o pqsdyi,8(kg6e0y zermined 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 reachinc rm;v-sm2y75ezile:g 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 reflen5q9e5rwf.jyt h7+i1/ufh/d 7m osttx camera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzn97r.y 5fths1tf+huiowt e/7/jm 5qdzy 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 coc,e,*4q+obpa 7u ao nivers the film with a field of view that corresponds approximately to that of normal vision is referred to apboq 4n*e,7ao a+ci,u s 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 referred to ke5lmr)), f3h3esi pw 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 wih+/h;8wc cm:h j4ywd xth a wider field of view than that of the eye and through which objecjhc8/yh x 4+cw:wh;dmts 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 different b-gz06/q qttvp o*1g(dhr q x-tt3 ki7from 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 oceg0mw,2ank1 re+vvn mn;ra 6( curs 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 ealcyvg +h17t 6ye 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 angt1sp rxy9/le*fv9k/+b + qah 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 li,kqzdva8w ./coab9x-kely to suff89vbw/d -kcx.az ,oqaer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuazugjd fec -hrp3 h-7o* f79n/clly 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 gisai8g;,l)uge- ;a wu,.szyrvves rise to a vision defect that can b 8vse-w a)uggr;,y ,s iaz.l;ue 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 shormuk 8dxou1 h26yi t0ob5ua(,qedn:e 0 9h;fmb t from front to back, the person is likely to suffeu,5 9y20kehdt; em1 bmbd(on86x:ao ihuu f 0qr 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 n 2w/nh kd9b i . s)z4ruvmtefsn.;/4jbe 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 back, this gives rise to a vi*8wrp)h)b, a t fpkbh0ddx3u 67s- zhbces*9osion defect that can be fdd6b 0z h)hbos*7s x9pb,r 3epct*-h8)kuawcorrected 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 maut1 3jmmxffqy7/3 ql1dazr5 9gnifying 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 diameter objective in an an nce+ftxamz r,-;0y-stronomical telz,;af-n0 +rnmye tc x-escope 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 telescmld.0e) *znyb ope. Suppose an opaque screen is placed in front of t l.)d*e0nbzy mhe 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 visible 7 ait 7z7h6lvvspectrum, in which of the following cases would you be able to best distinguish between two t6zv v7hila77 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 magnife i)u:yvps4ygdti6:.vbc,0.;ebo hdication $m$. 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 woulim:z( h- lzht 0fv4:0f-qz,z1 xncxcqd you expect to be able to see the greatest detail when usinghmz0 cc ,0 v:fq-(i-zqfz 4hx:xzl t1n 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 suffmfjizkc+woa: ;iz(k 6v w:.+fer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sui6oalrnzn 5 82 (pg li,r5b/fnffer 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 okgzac*i sm ibx mw6chgqc.96-38n+ q8f 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, kn6r yi1 eat2utau/ u96gem.+what happens to its resolving power assuming that 16t u6 e9utrniu aea +y/2g.mkall 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 tyh rt8*)/jmxa/k 4 oi.c+ 1aefrp1fjfar point of 18 cm. What lens (in diopters) will allow this person to see distant objects af)oh1 p e8*/ +y j4 xi1mkrjt.ta/cfrclearly?

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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 yp qdbqb6.l fs3w bqx:-c63 /fcm away. What power of lens should be prescripb6 xs-lf /qf:cybdw. 3b3q6qbed 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 glass+17tg9c8oc*wty td t ees whose lenses have power of -0.15 D. What is the person's fedctcg1 97o ytt8w* +tar 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 wynh: rpab5ia;z 1hrk7k2 /ib6here the uncorrected near poik ipa1ryz57 b;h bknria6/h:2 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 farsighted person is 100 cm. She pl1b0 /vs()grwwwxl7 rsaces reading glasses close to her eyes, and rb0 w1r(gx slw7v/ )wswith 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 newsi5 zueyyjybz12a h440:bgg4r9h; z ejpaper held 25 cm from his eyes, if he wears glg :g4e bbz4 ej;19 u j2yhh4iy0z5zaryasses 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 ;n36kg:j+nf:vnyu ci3vh q 8d point of 25 cm. What is the magnification of the lnnigf:ny qk38;v3 +6cd :jvhu ens 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 length of 10 cm. A person has a ne 2;gmhgpvpa+8bqkr- 2ar point of 25 cb;8aqm+r gh2vpp2 - kgm. What is the magnification 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 hasa m p;gjhvaxh,+q,dqin 6m8 6* a focal length of 7.0 cm. What is the magnification if the image6vpjih ,,6qgx*;dqh 8an + mam 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 iqxu51 eu2 sz;glass. Wi 1 u2sx;q5euzhat is the maximum 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 magnifying glas(shk4r jn9u7as. What is the magnification if the pers4 h(7kraujns 9on'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 lenseytl.bqv i/4 cen ftp+zu y7 0,2s/m/ves of focal 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, what is the nequflv t+ic,y0v/4yset7 . z2bp /m/ 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, 8.0pomm +:tquv96+afp e 4 cm, and 16 cm. If you were to usetu+ vqe469 m: poapm+f 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 foca ,uzb 997 umnbb/zhb,ql length of 200 cm and its eyepiece has a focal length ofm/b buq9bnbzz,h7, u9
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 magnificatxp8fa 3hhd -6wion of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyed6 x38h-wafh ppiece?

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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 astron:cz5fq y0usx,hj,s;tnq ao: 1omical telescope with a magnification of 10. If the teh s: cxq;yojsn1,qta5 :0zuf,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 teleu ac 8h o(6pv81sf6vr ihyj1.zscope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of theaz8ivsyj6 u(11 hc.vh frp o86 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 o -zbs, - 1dsbh/u wlh:69wowpof focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is 1h wl9uo-/bh:dw -6wsp zbo,splaced 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 object ,gnp8-.47vc1j - fezkoujumx ive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sa ,mpgfj -oen u8v7cx jzk-u1.4mple 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 foc,ft;4voe+xvn g1axbd ihd .e 6hd 77w-al length of 3.00 mm and an eyepiece of focal length 6.00 cm. i4 hdh7, obevadw 1n.7t f-e;v +6gdxx 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 objectivevbx.wbj9+yd) kf.tcv 6n( ux: with a focal length of 8.0 mm. What is the focal length of the eyepiece to give auyfk dj.9) t+6 xbn:v(bvcw.x 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 Orion has an angulard;s tyf 5ms0f- 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 cfs m0d-syt5f; an 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 whkanj:4n v-dytk6 ,k.qx pu5+g ich are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 55q.k 6k:ypna+5 gvtndju4 x,k-0 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 changes from a diameter of 3.5 mm to 1.5 mm as the tmxjtby ,x9a- m 9we)2illumination is increased. By what factor does the minimum angl ,9m9-xbtew2 t)mxyja e 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 orbei7rm2 v60j ocit by the space shuttle. What angular resolution could this i 206jrvemc7otelescope achieve if the wavelength is 500 nm?

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