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习题练习：Physics Unit25: Optical Instruments
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 120 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；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。本试卷的直接作答链接 https://51fly.win/test120.html
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 匿名未登录  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 exposed r jpu.ji qbv/(zegb 5u52a3v4in a camera is determined by thi5jvv2(pjz4.q u3e5ab/gr ub e

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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 ca l:fx /+u 0phx;a(.ct.rkb ejumera 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 4 fxm.m(oszpd+a hru9wu-cz23o*h+ p 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 fuzzy picture is obtained, this mo c.zhamwx p r2z 3s-*d+9om+uuf(ph4 eans 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 approxkrj)+:vby /l fimately to that ofyl b k:+/j)rfv normal vision 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 to magnify images is referred to mk:xs4fjfi1 4oq(kopq i ( 6qw7.q:yras 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 a wg8aqn(oc 4qs+o 6wnr+3xn+view than that of the eye and46( an3+xn o8o aq+wr +gsqncw through 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 camera different from the human/nx tarfyx. qg pq0v5pfr 6:rn9(2ys1 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 of42 .xikfi7 fvx 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 obj(hoxb4bsei9wp;3- z fects 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 euz o4*sf.s wy6j7pz.,b zj)zuye 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 to4em 1;io: o:lgdd.y dn/qogsvq/ 7sg/o long from front to back, the person is likely to suffer frovg: ynosd d7e; 1:golido4/s /gm.qq/m

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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 c o.id. *n 6yfwymnl/l;orrected 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 bli itw.4h jobxzrp:*x4a2 0p-ack, this gives rise to a vision defect that can be corrected by usp 40* -2xx:4i ihrowblpj .tazing

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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 sh,jd wmfr5 :qce,: 4cecek9xd* ort from front to back, the person is likely to suffer fro j4cx, c9*qmr5cd::kdeew ,ef m

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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 correctecir9 *rjp u;,md 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 /,n1cb ns i;fpback, this gives rise to a vision defec/ f1 ;bn,icspnt 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 vuv l7k9*fy5t:ugxebqr*(9z a magnifying 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 astronomical /0;xru nyrbglbs ,d3g,-*hu i telescope isbdgxh0r;g,, /-nrus 3ilb*uy

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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 opaqankqjg//my v0c )up8;ue screen is placed in front of the lower half of the objective lens. Whatgj)muv;p ya 8/cnk/0 q 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 spectruw-oom;n tkc dgg/ q:29m, in which of the following cases would you be able to best distinguish betweengnt-wqk/co 9om:2;g d 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 ay4 lb;qxp f.7p 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,o.hk q bp6.dk the greatest detail when using a micrd6 .ko p.,hqbkoscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suf :ogc0rpvzm osp 95h)4fer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf6 j4p1f)ap dwtfer 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 m/2 vcwu; t.: xy0+-- jlb2urjzjd qzmcicroscope 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:b*gixbw 1z e9, what happens to its resolving power assx1 i*b9bz:egwuming 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 dioptersgu3w.wyzyf1o z. z-.h) will allow this person tzw g..yhw1-fzyz.3 uo o 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 az,0, varlxm..zpj93;vazh niv h2y2objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of thh i9 yjp,;2vvm,r 3.vazx2hz znal.0ae 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 Dn9l y;prl)i5q ;.f(ojwo 4 awj. What is the person's far point if the glasses are very close .wa(pf yow; o)l;4qljnj5r9ito 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 whe*a iiel0sf92nye)gf. re the uncorrected near point is 7ae9y)0l2f fi e .ign*s5 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 es: zgi44augc4 7n8j jperson is 100 cm. She places reading glasses close to her eyes, and with tn 74g4 zi:8suajjg ec4hem 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 rj a.t+fx,3bgd a.m7p jead a newspaper held 25 cm from his eyes, if he wears glasses a3j gatfmb.j7,p .d+xof
+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 1tam pt cav7)ot-1x4/xf fkgwc/6m7+s 0 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focmwx4 / 7ktf67ascpt/act+v)o - 1 xgfmused 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 foc zd0(4k/ou1vi /rirt-gm1t cral 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 eyes are focused at their t1zr(-rtrd k40 oimg /cu/vi1near 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 ha6i ( ,8fsr-4me b ijhh4gl4qjas a focal length of 7.0 cm. What is the magnification if the hhr(44bq l a4ifg8,j6e-jmsiimage 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 5z m+1(t0ufzrhd 7t6;m b1uefz.0 cm as a magnifying glass. What is the z zuubmzrmd1t0 th;1e6 f7(+fmaximum 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 lenbvia3*5 ebs1 4zrgff+s of focal length 5.0 cm as a magnifying glass. What is the magnificati3vr*fe5 +sf4bb ga1 zion 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 cm, 8r n::hdc6clpeie9ij*c* 85 *rnwxb/ l.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the elx idl8* 5jb/: *r9:e cc hpwni*rn6cmaximum 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*/z 4gben, t2qu6egll.0 cm, 8.0 cm, and 16 cm. If you were to use anye t6/ enb4lz,*ggqu2l 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 ; f2u+ikyl6heimsn(.q r - d32msgk;da focal length of 200 cm and its eyepiece has a focal lengths(+ 2 sr;imdf .q3nmliyk;2k g6-uehd 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 telescope widlcm q9 k3j1+i sn;abe8r; zx9th a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of tq9ks ;x91 rdn ;ba+jczme83ilhe 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 magnifics 3r4cre kndwu o+s51.ation of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescope?n4s r+srdk3wcou.e 51

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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 le;c: *b,qbaou +gsse h:ngth of 20o hbq ssb;c+::a*,ueg cm, 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 mmmddl,)r 8r,-tiud ,jb and 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 are the lenses?ud8-,) rt ,rimb,ddjl

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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 objectivejyoikrkg7 ;ir;l:a jm 3a/z5 3vvp(8b lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the ovemgpbv8lv o:3 ;y(i k rzr7j/ijaa35k ;rall 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 anriicc)5 0v-qlk(j7s c eyepiece of focal length 6.00 cm. If the twovcjcqilik(-s)r75 0 c 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 objective with a fdvi);z/la nt902 y eyipw3d9oocal length of 8./plvdyota9 ydi ei3;0 wn)z920 mm. What is the focal 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 hvn.fxkd5 49t8pu gd9in the constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, wh9tdgh9x 4p8.uf d v5knat is the smallest 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 isghphs2j/) fph()6gp.z vg-t 01 esxmd 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 diamet /01 h6.vxmspfgp z )sdth2(gjgeh- )per 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 change.9ema) a.gn nvlx9 gh)s from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum an.g a9v.9 )ne) ghlaxmngle 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 q 1(bt9c cabnue .1qc5placed into Earth orbit by the space shuttle. What angular resolution could thisbbt 9 1uec 5cq.(q1nca telescope achieve if the wavelength is 500 nm?

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