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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 op ki2s ,c jscmbh):(5czen and the film is exposed in a camera is determinc)cik,2sh:5zsb mjc( 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 reaching the u4 lp+dj u9rr3film 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 dihed0zrk 5-(uslofu9 6/ zbqwl:) q7qistance may be varied by sliding the lens forward or backwar5z /h(qsi0u:7zwroekqb ) -fld6lu q 9d 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 ek6 g ,n1 2kqiy.hj;oicorresponds approximately nj;qkoy .2k,ei ig 1h6to 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 to magnify images is referred to as ai o6/yr*:e9fc u7brd p

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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 witvwdh6 q9ch p bn9wyl3g9obq*p+q7. (th a wider field of view than that of the eye and through which objects appear sodwqn q 9y+979ht(w.6 pqp3vcg bh l*bmaller 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 wax;5 /0a1;mhi vfu mni;qclc :lys is a camera 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 refract xr1x5;w tr4q-jy2nbtion 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 objeu syoi cvkg60 :8,qnj;cts 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 whjl1 p44(qf cyxeh59z/k 0tc8n cth;dpich 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 bac2za 3d;5atyx un+7f; jilbch.k, the person is likely to suffer+;jz7hyn3ai u .b;a fd52cx lt 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 correctkom m:g f (py6p2w)8ue,tp*lyed 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 back, this gives rise to a vi*bkf ntlds395sion defect tf9bks3d5ln * 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 too short from front to back, the j.chga9si2 s:*4ed4gyfy6 9n.synw aperson is likely to suffer fros :sg.yf4h4 g9w6esi .a j dnn*ac2yy9m

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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 withy60j9anqo;a qosr5t9

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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 ocs0.ke1:am .+flme yfrom front to back, this gives rise to a vision defect that can be correcte0 fyo.mmlskae +e: .1cd 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 magnifyizp2f.*kht( yvng 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 astr.dm) ck sz pc)nzt,1 p-ur0f0qonomical telescp q psn0)mz1tru,z)fk0d.cc-ope 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 by6cy/cpte+ as7 a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective le/s7 +p tacyc6ens. 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 througg/u, wk.w-kfd hout the visible spectrum, in which of the following cases would you be able to best distinguish between two .g- wdfw/ku k,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 a magnificat9z(x4 y 7z 5ikrymt5wpion $m$. 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 s9- txkf/zz 3u fmr(3hdetail when using a 3zmx kzhu9(3-ts /frfmicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fr7fo km 7dy.8f)q3 eb,kis d*ywom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frtagm i6o )cbj4-8 ;tkwom

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power or .qh5 .a4npupf a microscope 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 do1c:ra g2e,*ze s:ecckubled, what happens to its resolving power assuming that all 1, cck: *gsez2eecra: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 diopters) wii;aq5 s6c;t4d3na2n eic j0ew ll al6wtnc;j c4a;aq sn32id5 0eielow this person 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 power of d*ba)p/ t l s/zk4pw3dyu ls)7lens should be prescribed if the glass is to be worn 1.00 cm in front s4 ypsk b at3/dz*dl/))plw7uof 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. Whatwfwjnz08mmjvad j(: rr* :6)d is the person's far point if the glasr(* wd8jw: ajd0r nvzf)mj6 m:ses are very close 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 forzo -et/.9ptza farsightedness where the uncorrected near point is 79/ezao t.tp-z5 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 jzs )5rj b72 zu5uw:ib/ - 3plomjrv:n100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. pb jnowsu-rbz)m: uj3 2 7j5zvir:l/5What 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 nez9afjwp7;qgub a r84yc ::n(cwspaper held 25 cm from his eyes, if he wears glasse;z : 79c:jyrqgaa p 8cunfbw4(s 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 person has a near point of 26 vwphv6 k:e(p5 e p6v 6vkwh(p:cm. What 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 cp+1owgwm91 a tjnfnmj jg61q q7r -)k6m. A person has a near point of 25 cm. What is the magnification of the gmjok+n mtqq a 17rwpfg 69 jjwn1-)61lens 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 hasuu ft.b 3sn.e5k,/xq w a focal length of 7.0 cm. What is the magnification if the image is viewednst xwe3.u./fqb5 uk, 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 a6 v baqkd03m y0l,oazm )f)r1a magnifying glass. What is the maximum poss, alzafma y1 )o0v )3db0qmr6kible 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 converr*;42b5bii id4xjd eq--ndp5g( m utiging lens of focal length 5.0 cm as a magnifying glass. What is the magnification ifd5iex 4r2db-- jbd5 4* i(nu; itmigqp 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, 8.0 cm, anuc.za( xz0tv8d 16.0 cm. If (z0axtuv z 8c.you were to use any two of these 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 lenses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 1jvvo 69iy7 *vpydv9n 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnification71 d9v6 ij9op*ynvvyv 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 202;pp./ t-eni.o bkc )q8alnp i0 cm and its eyepiece has a focal length o opbnlt a)-c82kei i/.n p.pq;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 magnification of 1xjzm f*1zgche2v0 1y5tq q(* w0. If the telescope has a converging lens of focal length 50 cm, what is t11 5j* (wzq ymhtzqgcf*2vxe 0he 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. Iz ( l3s2nkts4ji..cmaf the telescope has a converging lens of focal length 50 cm, what is the resulting length of t .c (z tnsl.3i24skamjhe 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 telej*/l tczeqm*2 scope. If the telescope is limited to a length of 20 cm, what is the approximate focal lengtqm c*e2*tzj l/h 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 mm and ae6 h;waxg ;mzjni q+d4w(nqf()fv w +9n eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far ap;(fmw j( whvqq6iwgda)4n +9xe ;fzn+art 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 f woymjc sw;m-7xcm2- 2j qu(;aocal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall magnificat-j jmwm;7ayc -sx;mq(o2u2 wcion?

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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 zoh owrxwp 13-7o fl1im2gn3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated bg-1 72ri13wwoxl : npz3fom hoy 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+f2 v:q /f*ldd-fz11yze tttm with a focal length of 8.0 mm. What is the focal length of the m +vf1 /-yfttdq1 e dzl2*fz:teyepiece 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 Orion has an angskej,sg-+ c / :r6dxbvular separation of 10-5 rad. If the wavelength of the light from the j-6eb kr+/g xcds,:sv 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 resolve obfq60myao/i frs 3(t,mjects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light (, m 6 rmtsf/fi0oya3qused 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 eye changes from a dia s/+6ozxzi3 4, yyfwvdmeter of 3.5 mm to 1.5 mm as the illumination is increasezsyf wx4z6+d y,o3 /vid. 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 Telescope h9qicfc. -:wnqgmv b m;)g; s(zas been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achi;fc; .i: wgg bq(m9-qnvm)zsc eve if the wavelength is 500 nm?

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