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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 in a camera is d,y) )ronmjts ;8qo2b(z djbk 7eterminy)jrm bdqo ,t;o8s z(j2)7 kbned 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 the film in a camera is determined by t-ek 7xcpn5nc8(w gj) ihe

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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 distanceulg (dc955 p8ogbasuy7 7v2ain,oa1 z may be varied by sliding the lens forward or backward with respect to the camera housing. If, with75p5scl zg o2ua 8oav(d 1by7,uia n9g 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 they m,eexjye/ls:)b *n 4 film with a field of view that corresponds approximjy 4) /b:smn* eexl,yeately to that 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 u ukkrobv*9 (;to magnify images 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 film with a ;jfpatvkp ;)3hw; -qwwider field of view than that of the eye and through whf ;qwv- kj 3a;);ptwhpich 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 fro; wb n3fa/dgj8m 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 eyv rp,fw 4l/54gc52twr6*wspu t1ac nf e 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 *f7eahs; d8byp:i xb 0can 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 o 999ptjfxd+ gpysz )2lbjects 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 vdaav5p;0(wg s(.y oto.tp.ru6ek s ,front to back, the person is likely to suffer t0su5;o vk o p( t.d(pwyg v,r..a6aesfrom

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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 corrected g *m44 s3koiguwith

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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 i3ybf, odwi )+7 +hddjzs too long from front to back, this gives rise to a vision defect that can bd f3wddy i),boh++7jze 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 short from front to back, the person is * y-j asex5n.dgez+ l(likely to se e.(dlz*sxa-yg5n+juffer 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 g9u7uilq) o+u 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 8t/-qu jwv ht6a+ez)brise to a vision defect that caq h-a68ejzt )tu/+vbw n 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 magtwxfa 7pf1 * 9zxgh;u2nifying 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 nboc e9238 dira very large diameter objective in an astronomical tbn398 rdec 2ioelescope 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. Suppjav(coh2t* lz 7vq-7 r rpe-u5ose an opaque screen is placed in front of the lower half of the objective lens. What effect -l 2aj -eoq7ut(v vh*7z c5rprwill 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 spe )f38eeydl y3jctrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objectiy ejly)3d3f 8eve 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 magnification2sbm (s7bgh6x $m$. 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 td)xbnpvx5x6 sl.hu q/ .g( ga2o be able to see the greatest detail when using5gh2 .xu.6agqb) v nsp xl/d(x 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 suffer fromrwh;frtct5 +nyw;u buo9k t1t9i0k-.

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer froww n+vn j9kg/*p.4zeom

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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 refe2rc w xaq4m4 ;kuut:4irs 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 agst9*r9/luz0kvl vw(/,vi cf radar dish is doubled, what happens to its resolving power assul vvu9/t*kf, z/ 9 lviwr(c0sgming 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 hasv1 xd/7o l, u;ee:5xkg xtrio7 a far point of 18 cm. What lens (in diopters) will allow this person to see distant objects clearly? 7gutx5:x,vx7;k1r oe/diloe

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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 power of7i q 9tg:b9fpk lens should be prescribed 9fqp 9tkgbi:7if 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 hav )ht+q0cfqu7 ygm.t/ me power of -0.15 D. What is the person's far point if the glasses are very cloum gcmq 0).tqf7h+ /tyse 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 unco2 tmm1qia(ft:c4 k9y)6(+acj gkpnkhrrected near point is 75 c(agtq j:n2(k cih4 +y19mktpcmkf6 a) m?

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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 f-gutjeorgr8 /b4ex+ 3 arsighted person 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 lens power is requi r43-x gurbo jg+ee8/tred?

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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 helncua66;,vvdnj:8)yzcy4 vk xd 25 cm from his eyes, if he wears glassesx:; cyu 4c )nj6vv6akzyvd n8, 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 persomuy xkxp9 wtn10 k-6x7) 3focpn has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at -c6 fw9x)yntk0mpxk ou 17x3 pinfinity?

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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 perz 8c2bawn9e dnk//8d; kbne+a son has a near point of 25 cm. What is the magnification of the lnd e;/wa82ebk c/k9n8bzna d +ens 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 has a focal length of 7.0 cm. What opov+9il * ix,is the magnification if the image is vi+voii9p,*o x lewed 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 glassz2j r.99vr5 gj ofj5z (kkbd:x. What is the maximum possible magnificatd .orx25 jz5bj( krg:fjz99vkion?

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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.isjsl;yr4(ndm . kev4 .x)t1:hmoq9p0 cm as a magnifying glass. What is the magnifinm; mj9hko4 ( xp4.:r.tsilydqe vs) 1cation 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, 4.03b )93 b8i fj7hai0vs1uh oohe cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lh eo0ho9ibas33)fh1 ji8u 7b venses 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 f5p6ihu p)e6 el83drrw6, q dfvocal 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 lup6f6,w63dh deprqre8li)5 v ens 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 focal length of 200 gzpv+5y)7v*o fd **mzau-p srcm and its eyepiece has a focal length ov**- f*p p5 )uy7+ogvsadzzrm f
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 magnificat0i3v9s9rri g g .qd9bfwrex-/ ion of 10. If the telescope has a converging lens of focal length 50 igv93i90rrrs wq/efgb 9. -dx 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 a t.9)f 5ztyceystronomical telescope with a magnification of 10. If the telescope has a converging lens of foc .c5)9ye ttyzfal 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 thw qizk9zap u5 z5aa277e telescope is limited to a length of 20 cm, what iz5 kau7paiwqaz7 z5 92s 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 lea7 qtq,9(oyf pns 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. q7fap9,qot (y 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 and an eyepiece of focu6u euksz2111cz-e u ggi r99mal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the o1szumz 9rk6 1 g-guu2c9ee1i uverall 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.d,i 5;uvq6l7 jvm-xwy00 mm and an eyepiece of focal length 6.00 cm. If the two lens-;ywq xd,v5lim7 6v jues 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 barrld dj+3k.(:+p gnoey eel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give aplkn. (j 3dy :e+egd+o 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 ;nl 6y.qghq qq tx(ru923gjd/ Orion has an angular separation of 10- tghyq 62rx jq3qn;/gqdl9.u(5 rad. If the wavelength of the light from the system is 500 nm, what 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 is designed to re;-z. (sh 9eogaal ddh7solve objects which are 0.010 mm apart. If the fl o9hhgd;(s-.e daaz7ocal length of the 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 person's ekz i,p6zi m+o-(kfr r9ye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolkk( z6ii o+ zr-p9fr,mution 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 ply+u:fqd7v6 lp1fgy 6daced into Earth orbit by the space shuttle. What angular resolution could this tpuld1gy+: 7ff qy 6dv6elescope achieve if the wavelength is 500 nm?

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