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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 filmo q)t zxv8m*-h is exposed in a camera is determined by z)-qox vt* mh8the

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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 filmz03 7ctnyyq0ch:1r uo 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 maya uykf:3:h*px be varied by sliding the lens forward or backwardx*a:y f ph3u:k 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 field of view that corresponds approxizo:zp0r u wmh4( dog 0t3hgi17mately to that of normal vision is rew 7 3hodu 0z01mgort4i: hg(pzferred 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 it7d+0rvgge37thrj9n nv 3mq7m y t1a*mages 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 filml:oo5r3mc;a u meld 4* with a wider field of view than that of the eye and through whicucm rl ;o:aod e354*mlh 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 different from the hu mh/ia4k;cb6x man eye?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refractionogpzmb:g i)o0 yl,f (( of 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 can see objects clearlygirm 7fn9 :k3w(:ex if 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 whic2u 3hr *nk9pzv .fs;iih 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 4 zq (0.riq huz0,cf0 tk8jyksto suffer 0ku0zyrjq(s0ihq z8cf4k . ,tfrom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can u uqlme* ((lz.asually 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 bacc1jz:6 igx 6 pmqgc5b6k, this gives rise to a vision defect that can be cor6 p6cjic 5zg:q1mxb6g rected 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 tz4;)6oft ibjp3- ijjzo back, the person is likely to suffer froj jzz i;bo43-pjf6)itm

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usualtvx*-,o3pjgjz e(w, tv hb5)bly be 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 to,eu*pn8,9bjl ulk ye,o short from front to back, this gives rise to a vision defect ep, nu,,jk89* uyblelthat 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 glass?bi -y 7(tg5ocp

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason formh asys 96o1t0 using a very large diameter objective in an astronomical teles 6sy9hm1asot0 cope 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 telescope. Suppose an opaque screen d5m 5b )dzoiv;is placed in front of the lower half of the obd) id; mvboz55jective 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 hadrb lb+2 -nw-bt(i1wi s uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objecl(n1i- d bt-wib+rw2btive 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 magnificatiogg2vrbj ;sq z(/0x7yp83oxupj.k ay 5 n $m$. 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 whee(o.g enc am 2l)dp6/nn m/engn 2e6p(o ld )a.cusing 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 sufferfn-qo1 + f+4jh qalg-o from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frokdj kzir5f2+;t6p/nom

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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 mic8;yuxsn pj ,1qq8v 4fwoh3n8 croscope 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, what happens to its resoly c5k3 d irf+q -1h8ifdjs(i -zsea(v1ving power assuming that all other factors remain unchanged? Its resolvinga- 8(i 13d- +h5yezffkscid jis(r1v q 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 ck jeq /u7q).km9xd 0nom. What lens (in diopters) will allow this perk j/u9x.qmo0nk 7d)qeson 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 objects more than 70.0 cm awvugd,ay, :.- gd.qadpay. What power of lens should be prescribev,ag ddapgudy,-q.: . d 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 have power of -0.15 ujt kkouy 3 e2 80,rkd9s)7bwmD. What is the person's far point if the glasses are very bt ywo )kj 8u0kemdk,rs723 9uclose 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 unu;e .oipi iq(.corrected near po.q;oe .i( iiupint 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 10s;15erc4aq eh0 cm. She places reading glasses clos s1ceqeahr54 ;e to her 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 held 25 cm from h*-qjl(qm m0 5*rvblz zis eyes, if he wears glasses ofqvlz*0zjr m (m* b-ql5
+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 focg/3c6l mw1o iwal length of 10 cm. A person has a near point of 25 cm. What ismwcw1/oilg 36 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 length of 10 cm. A pzu sao5u0. jc bg:( u*6octo3serson has a near point of 25 cm. What is the magnification of the lens for that person when their0sjgsc ouboo3a *: 5zcuu6.t( 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 m)yq3w qxef(t6agnification if the image i yq w(f)3qtx6es 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 convth :6eo-a h/hg0tak/6 ygc e/qerging lens of focal length 5.0 cm as a magnifying glass. What is the maximum possible magnifica/tkc0 h:hhot 6 a6q/ge/ gy-eation?

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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 conver pdpz t r9sfp/a,9c.b-/ eo/o5)bonmiging lens of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is relistd oromp-,p fce./o b9nz)//a9bp5axed?

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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 len(dt5kr bzs1b, hu(6zwgths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of td sb6t (b hw(,5kurz1zhese 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 lozmine .3isw2)7)u tquen2 7o5fjfb/enses of focal lengths 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 sepq2o nf3j/) m) ztus5o fn 27wb7uieie.aration 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 of 200 cm and its eyexys7rnah7,g e: z :bl)piece has a focal length 7hly:anrb7sze ) x,:gof
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. If/drv1 2yudw u7hr 1(bg the telescope has a convergin(hg2 rd1rybuv/17u wdg 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 with a magnification of 10. If t9m3*oth/ch4 l pdk0b9uahf7 enfm/e+he telescope has a converging lens of focal leulhntehak0 h cdpeo+m/* 49 /ffm739bngth 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 the telescope is lwhaa 1uuh :jy,+d (8r9an us p.(4vlpzimited to a length of 20 cm, what is the approximate focal length of the objec41a((l h. ,z8hsuun d:ppa9j yrwua v+tive?

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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 lengthf m1wv; z)c7ufd/inp 6 1.4 mm and an eyepiece of focal lengthfi c1 ;z7u/vdw fnpm)6 20 mm, adjusted for minimum 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 leq: g e;.bqp) x7 trdn8et9;iprns of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1t7; tr;:8 p .iqed x)eg9pnbrq.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 anyq iqq o1w*o.3-lumn, eyepiece of focal length 6.00 cm. If the two lenses are separated b*mn qlqq .i-31y ow,ouy 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 objective with a focaahp0 rnx7zd ,w/en) d9l length of 8.0 mm. What is the focal length of the eyepiece to ginhzwdra ) x9/pnd 7e0,ve 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 ga+( xwhg9.x+udhjg(934 uy7c p cclnthe constellation 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 can just resol9 xp+lgdxchuc4nh(wa9 + (u7 gcj3 yg.ve 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 which are vpm q7k8 cu fr-t;)mq,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 diamete r8vqmp;tk,) um f7cq-r 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 tp8zgao pk3+or h+y o/z m4*y4bhe illumination is increased. By what factor does the minimum angle of resolupyhaz+ykb+8roop4*z /4g 3mo tion 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 Telpen p( ypekk a*92e88mescope has been placed into Earth orbit by the space shuttle. What angular resolution could this teles2y*ppmkae8n(kp8 e 9ecope achieve if the wavelength is 500 nm?

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    总分:51分 及格:30.6分 时间:不限时
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