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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 soe*7 bh *2c ybww85/xxbf7e;wq-c lm ehutter is open and the film is exposed in a camera is determined/ b8*w woceymcfebb *7e5 lx7x- q;2wh 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 thed:k*oe5fhbv lqb/f u *j 43l/c 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 reflex camera the len jt5nf5 m)x5 pn/6it 4ssf3atvs-film distance may be varied by sliding the lens forward or backward with r5stfx 4n)3stvn t/55a6fm jpiespect 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 th)pmo )emlb;a 7h.p1j mvh/ bgm)irn 6/e film with a field of view that corresponds approximately to that of normam7)an 6rimo;).b l)m ph/mp1jgv/ ebhl 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 referr+cdy hd(br. a1ed 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 wys7ssqd vqe ca 3(hf8:3 b)b.dith a wider field of view than that of the eye and through which objev .qyf dqs3 s)8b7bcd3:aes (hcts 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 camo9z a/x8gc;-e+ sxku5syyn k(era 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 light by the eye occurs i3+zo 6bl0d hah0y-va s,)boi 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 ep:k m:1 rgp4hwhich an 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 * i.3:ve mo3gotq t 34u*qizgjwhich 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 backihkwcu;;. hkp 2e-4 e85uupk u, the person is likely to suffer fromc w;;ekp2 h.8 uuu-k4i5pu hek

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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 correctcyl 7 in ow(1ho)nvb;0ed 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 frod gzva;-jmb03 m front to back, this gives rise to a vision 3 mdaj;-0v bzgdefect that can be 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 fk,d4 e7yp(hbtoo short from front to back, the person is likely to suf k4ed( 7hb,fpyfer 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 corrected w1zzem)d t0qd2ith

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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 tceeireo p.m52/9c8 aeo a vision defect2ip5emr. ea 8/eo c9ec 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 a mag -6fldmga-4obi4e vv5 nifying 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 for3+8oh1z t ux.yip7bvb using a very large diameter objective in an astronomical telesco.73+ 8xb zbvyiut h1oppe 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 telescopec kyj3a gj0h8dgt (lpx(i+6z9. Suppose an opaque screen is placed in front of the lower half of t k8ygixgat j30+c dlh6 (p(zj9he 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 spectodjzucf7 53z q9aj 7g/rum, 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 cd jzoj37 g5zuqa/ 7f9of 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 ajj6c+ q vurlme jb)o6mtfb6m:h15c 82 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 u.hhk*sa)q, u a i*ne4expect to be able to see the greatest detail when using a microscope?,*sa*nh . kuh u4)aeqi

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufferler* zaf+unp+nd3 e:eofi,5 - 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 ownrr-my htp0r7+p3/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 ae;6ewcyl2r,n p p04d 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 r t(pzsfyw8) zrc3h r4v1)zs)uesolving power assumins y3rhzvz)wu(8 cspf)1z )t 4rg 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. 6e 4ric; mjis7y;fh8s What lens (in diopters) will allow this person to see distant oym76i;8ec 4 ;sfsr hjibjects 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 cmq*su h8jnun/3-m( i j j9ep-ya away. What power of lens should be p8*ip9muyu/-j 3nhjq a-s(e njrescribed 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 D. What is.atdkm/4xhp(q n* a4aw7bxb4eg 8 0so the person's far point if the glasses are very closexak/x ebtbqs0(oga*p7wm4h4 8a4n . d 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 fam+ wqm.48mk wyrsightedness where the uncorrected near pointy mw4q8w. mm+k 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 places readpk58 e4llj.c rmslo;qf y n::8ing glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is requi.qy p;fm4o5:slnk8jlrc :8le red?

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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 cm8 gt/hff,(rmm1sm c 3s from his eyes, if he wears glassmsr3, 8(t1/ mmhfsfcges 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 fo iein30y v*:bycal length of 10 cm. A person has a near point of 25 cm. What is the magnifiy0 beiny3*i :vcation 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 1yb5hdl 1mf:/lkf/cqu ge1m * cm. A person has a near point of 25 cm. What is the magnification of the lens for that personh ueqc 1 d:flmk1/g*bml5 /yf1 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 tgpu6 ;xe2 /qap 86ymnwhe magnification if the image is viewed xg86euy/ m6nw2;q appby 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 5*c - oe n4-dnhsi+,h4chsklnlens of focal length 5.0 cm as a magnifying glass. What is the maximum possible nch 4icl4h--s, s+dk *o e5nhnmagnification?

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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 magnify7 tc35teeo1 q) ne gm:j/ozsw/ing glass. What is the magnification if the pe3 e /j:o5we 1mzcs/ )teot7nqgrson'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, 8/4 r2y,jooo9tgpu v4:vx zwu7.0 cm, and 16.0 cm. If you were to use any two of these l v4jtyg,o uourv:o29pxwz 7 4/enses 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 cx5ua4w tbm7tczp,v 1 (m, 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 magnification telesca mb txt4(vpz 1u7c,5wope?

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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 l7b r m+ko8cr.+6ek tajength of 200 cm and its eyepiece has a fak7ckb j6 +8er.+or tmocal length 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 tewv , j3h+ps+h;t7 tyaelescope with a magnification of 10. If the telescope has a co+ a3twv+7y,h j shtep;nverging 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 astronomiwuzi /9h/.zf dqn,s(3i9 lbaccal telescope with a magnification of 10. If the telescope has a converging le9 z.hc 9d (i,fbsq/l/anwuiz3 ns 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 telescope. If the telescope isp +keb93vq9gf:s 3iy s limited to a length of 20 cm, what is the appri+sek p: 9bf3yqgv3 s9oximate 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 objectf70ys7eik u ;sive 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 thsu 7 0;efisky7e 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 lens of focal length 1.4 mm annoux.s -mh5j t,p/y1jqa )6eqd an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objecxn 5,ajsu).e/yt1o-jh m qp6qtive. 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 wiu6 nqh6n3g q; 7z ac)i:kttd1hth a focal length of 3.00 mm and an eyepiece 61 aunci z g6ht:kqt) ;h7dqn3of focal length 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- ya,oumz+/ z0n03 ghiu b9gc10ossi3ocm barrel and an objective with a focal length of 8.0 mm. What is the focal les0i3y nbmoi0cu,9o3oz+ 1sg 0uh /agz ngth 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 Orionkivbgi7ew ;+8 5:tfhg 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) tele5h i e;ggbt7:i+fv 8wkscope 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/nr*e2fg2n;lip z 1 es is 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 ezn lpg2nf1e/r 2* s;iis the diameter of the objective?

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单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The pupil of a person's eye changes8xfoplx l: 5b8 from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resol: px8fo8l xb5lution change?

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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 Eag b0p5vo1ux) 3lx nkbznbzq c;w*s 5/+rth orbit by the space shuttle. Whxb*l1x 3 ckp0 5nqzbv/)w z bo;nug5+sat angular resolution could this telescope achieve if the wavelength is 500 nm?

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