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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 s0a+ f nha,08i:ci apu*ozcym+hutter is open and the film is exposed in a camera is determinp +,czhmaau:co *iin0f8y+ 0a ed 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 reaching2/nsat a6our g+b g*ok1(9gqg 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 reflex camera the lens-film 7377 ejgzk7suiynd4a7 o sy;ff h(p:zdistance may be varied by sliding the lens forward or backward with respect to the camep auk:7iy7j4;fsony7h(eszgz 7f3 d7 ra 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 approfpdan ,/uc0+ u8j .iyyximately to th,ujdayuc8i/ .n fy+p0at of 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 as a. 2gbi9fy aqe:e++eme::f azl

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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 view than that of thqbw(y1z+25dtx+0ca8 2cv v kxh5s btte eye and through which objects appear smaller is referr 1cvqt2z bw(5yta2 v+b5kxtxs0+ hd8ced 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 tt-(j tvpg qm md:q123t))jzgvhe 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 s-euqze wi/38the 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 e)jc99g6-.uz2ucq c :ypa iwiy ye 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 eye can see objects clearlywrc1ar eh.2u f7a ox84 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 yujezv58; m h;from front to back, the person is likely to suffeuj;5he z8;v myr from

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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 cr * syq0)pczf,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 to -k /beqgs;ucp xj/)-9e.vi juo long from front to back, this gives rise to a vision defect that can be correctedijks.vc)9/ee pu;j-g/u -q bx 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 to back, ufnt7d4 yk/phu//0chnr p/8i the person is likely to sufferp/rd4tu/f7hnpk ci0 /hn8u y/ from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can ud-ar x84axq.gaw:a :esually 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 too shopg8plpp58f ujz8t; h0rt from front to back, this gives rise to a vision defect thatpp8 zf jh5t8p;0p8lg u 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 magnify 05z c1fk8 ca eaxlt49yv:q(ozing 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 astronom 7wec8td : 1uj ryjb2h:k;cjss(e9hz, g;sin1ical telescope s ybj ,cwchkur179jd ; zet:(g1i; s2e8snj:his

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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 ot8fpoo3 +xn*npaque screen is placed in front of the lower hafn *8oxon3tp+ lf 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 visiys4 1a 5s5my;yjd7j cyj2wv+p ble 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 objective lens of the telescope used.)+;j sjjypda y2s4yy 5157vmwc

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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 magnj 1g 4:ryhd31m fipbp6l+os+b ification $m$. 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 t(-z5etr chu+ xhe greatest detail when using a mrc teh-+x(uz5 icroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufferxko(nl7-z u0 ygxhi./ 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 fromp4np0h3fk age+k.fr7 nzdki /ka s470 5jlw)w

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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 ss m2hnbv( .6uthe 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 resolving po-k6)cd ll/suq wer assuming that all)sk -lc6 u/qld 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 diopter esvy. 1aywvt 0c*,)krs) will allow this persone1 ,wc*tar .v0v)syy k 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 away. What powesp:(hd4gz kr 0r of lens should be prescribed if the glass is hz(r4ds: 0kp gto 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. 75mm g,74 bzqe 6wlebhWhat is the person's far point if the glasses are very close to the eyes?6zhmb5e, 4qm77lgw be

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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 uncorrected ne h iq,ylsh- 8ce2m 1/-czo0edbar point is 75 h icm c2/h0qeosezb-dl,1-8ycm?

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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 persoa7yqp:ln )d8 )5pqod gn is 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 lenalp n8 :gdpy))d7oq5qs 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 his eyes, k 1izk,lk q. qg:zr), rz6 1xjnb6xwu/if he wears glxzinr1 ,6/ kquq.zwr6xlj,z:)k gk1 basses 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 fo6tei v18rdcwokdg e6(.rl x0/ cal length of 10 cm. A person has a near point of 25 cm. We .1v0tro66grli d8 wx( /ekdchat is 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 pec6e: mvp n7(8ynyr 6prrson has a near point of 25 cm. W renn7 :6cyrppv my8(6hat 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 has7 3ncivkdl5 .*q:m-i*: ktnzft heg7k a focal length of 7.0 cm. What is the magnification if the image is viewed by a relaxed ey:k-ki *ce tkz:vmn3gf5 l .77niq*hd te?

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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 magnifying1 dsqsv0/bfh kc6 )j 28fam5fq glass. What is the maximum possible magnificationfshd8 2q) 6m/fak01vq 5s cbjf?

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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 gc21o4tj wez 0xfvywz9wf 2- c;lass. What is the magnification if the person's eye is relaxed?22y9vofx t0w;c f w 1w-ejzcz4

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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 lengthxi86v u cjjv0o77d1ra;kaq/g y5j*o hs 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 kjy5v;ao 6q817ovrjcug id a xj/0h*7the 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, fgb7mz.mc 41qand 16 cm. If you were to use any two of these lenses to build a telescope, bzm7 1cg4m.fq 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 focawtns)789xv zmzd 0he. tps./bl length of 200 cm and its eyepiece has ahsvnmxe7twz) btp/z 8..9 0sd focal 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 teb41i yyo9f b3v8w:jhg;5quh2 nwu i n4lescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what389f2hy nhbu 1w4u 5j yq:;nb4vwgiio 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 ash(*kd9s 1fkcgl au.l8i7 t;og;v3nh magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resus7kg(; fs*od;3g h ah1n.kt i clu8vl9lting 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 limited udj hnv5x-qock86*v hc5uo*) to a length of 20 cm, what is the approxim6 ocqn)vc d 8vx**h-5o5 uhjkuate 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.vc:ti.6l2 : rqzyh vf;4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A bloi.l:qht2z vc:6 ;vfyrod 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 lens of foc2a4 e ta r)cy;d y)8q/.uesvkmal 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 overall magnificationd) 4r; c) s/ya8qumy2et.e kav?

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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 aojtp yi8rvnpx1q 6rqi5*2+m 5 n eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total ma*p1rj 5q2 mvyotr85i niq+px6gnification?

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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 xvg n mjn/hwkku/)inn blep)+-* -i;l4 4fnr7 and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magng+- lnkh4ju )4x 7fnwb/ vipn*-k)e i;lnm/ rnification 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 anggb b ,qyy.o3:xa+o(q aular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the aog.:a3 +bbq q,y x(oysmallest 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 is designed to resolve objects which are 0.010 mm ahzo),ui-be 3 vpart. If the focal length of )u izh3 e-,bvothe objective is 4.0 cm and the wavelength of 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 persoa6lkqwp (,7pv n's eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination 6 q ,pkl7pavw(is increased. 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 Teln6)(x u) 3xjiio9u8lx5yohbv- m.h lwescope has been placed into Earth orbit by the369ux x5w ( n)im luvlo.8hijxybo -)h space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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