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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://autodiscover.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://autodiscover.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 shutter is open and the film is exposed in/ik5qriav7y67 3 elad cvmr 56b,z5wc.mh*o p a camera is det5o crm 3yhc5m,5li6rp7avdz7kbiwq6 v/. ea* ermined 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 filmni g6hk/t6b8+y(knza *kmpw( 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 distance may o/4.t q0jhkx ube varied by sliding the lens forward or backward with respect to the camera htj0 xuo.qk/4housing. 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 co0*lr -kc.xwf rvers the film with a field of view that corresponds approximc0-f*rk r xw.lately 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 teles/q a f*1/*zakv8s5 rg1n esoeocope 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 c*32mtvf v 1gjfovers the film with a wider field of view than that of the eye and through gf*t3 m1jvv2f 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 followo0c;l :,mh3m+v uk 0edjkn-pting ways 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 refractioy+:f,s* og9.kuuncg, uyqkx 3n 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 auccdd p/*t :b 6,t s269griiggt which 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 which fe 1kplqw /k 8i;iv5/d;oct7t 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 back, the person is li mvdf-2061c v; mw vjt)cod)sbkely to sum v6s-fdb10v;o ))v2 djm cctwffer 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 corrected withl4xq1 4n8k ur d cz/zey35a-kl

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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 tolavui .; ghdq90d*(ihli9z 5y a vision defect that can be corridd*5 (zi9lq 9aglu ; .yh0ihvected 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 atb116hk adfvp 2wsr (:7) yst 2i d.ft9io:deto back, the person is likely to suffeaad61fw(y1tk rit2b .7s2:dvh9 pfio ed t)s:r 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 bav7un:+aqgl )nw( 7 wjmq.k4pe 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 short from front to back, this gives rise to d owno-.cf m+8a vision defect that can be corrected by -mdw +cfoon.8 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 magnifying gltkd(x94m ziv w gn7dw-cm ,e3+ass?

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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 diametj -9jq, nmhpk,er objective in an astronomical te,hmpq 9-,jn jklescope 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. Supp7u1kc:( bvrfa jmmx+ ,ose an opaque screen is placed in front of the lower half of the objac (x1v+jb :mkurm,7 fective 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 use5u: 3sbc+kwb h;7uu syd has uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two close +wbubsku57: 3uych s;ly 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 magnification a wd2j91 orihi1wl 4y,$m$. 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 q . /l 3giptb5(uxc71cs ,wmmoto see the greatest detail whe7s pumgb3iq 5(/ t1lc,ox .mcwn using 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 suffe 8 wtp*i(t* pr0myrz/gr 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 -ardsv/g pw j- ygn;84from

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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 tfu0dr0qmo-z6 -6k)82sten z gv9 iu oxo 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 douuh45igid mtz9x,g99ebled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolving poweg td4eu5x9h9im z9i, gr

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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 (infw:khr p2z c3j8sok- m b q+dr+/7lsi9 diopters) will allow this person to see distant objmik kwz3 +dh72 br/f9l-q+rscpsj8:oects 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 7c1d1 qd)t6*lmw,tbdj 4wvfdgqf( 6z/0.0 cm away. What power of lens should be prescribed if)wd t1v blqgt6 (1fmd4/j,ddfz6w cq* 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 -0.1q av9 r72+imk arsxr8:5 D. What is the perso 2a9qvrr7ia+m 8 :ksxrn's far point if the glasses 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 for farsightednes4il ulbf ad;t/* /2kkss where the uncorrected near poin aut2;sbd4i * fkl/lk/t 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 l/owao x xr+i6hc0h1 m+af:q2 places reading glasses close to her eyes,rh/flqxia6oah:c2 wo 0+mx 1 + and with them 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 read a newspaper held 25 cm from h(bngfyrb+-/*lgls* s eej0: e is eyes, if he wears gj e +-s eb 0gsngb:fry*l(*/ellasses 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 c:cr.xhxuecck 3 ):i, tm. A person has a near point of 25 cm. What is the magnification of the lens for that t xcexikru:c.c,3) h :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.2d,fsq; u*b, 5d7ypi )kkdegg A person has a near point of 25 cm. What is the magnification of the lens for that person when their e,,d 7 fqigub*g);y psk5dk2 deyes 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 hajftnn8x, i)2-tdy3 zvj8f( nn s a focal length of 7.0 cm. What is the magnification if the image is viewevzn -nxdf)t2i8f jt,8 nn3 (yjd 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 focau* 99z+s tzszyl length 5.0 cm as a magnifying glass. What is the+9*su 9zstyzz maximum 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 lens of focal lene*qpt 6hs)o4nj4 gs6egth 5.0 cm as a magnifying glass. Wn ts)ps6jqge 4 hoe*64hat is the magnification 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, 8.0 cm, andn*+5 c a9)r+cp wr2ydmoe adr:u:v /yo 16.0 cm. If you were to use yr9c peyro +5u):nmo ra+:*c/2wd dva 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 foc fa18)-ykq2jzhpg1*vx fks b0 al lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. I 18 s 2x1*ygkz0khvpf a)-bqfjf you were to use any 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 a focal length of 200 cm an z+qrp *pwe1dw*hp: 1nd its eyepiece has a focal length oqn*drw h:*p+p 1pwe 1zf
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 astro:+qmhcqyza0f s 4p p**nomical telescope with a magnification of 10. If the telfqy h4*q *p+ac: p0smzescope has a converging 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 astronomical telescopjq.e2- au7 (fadov/5xvnoo: u e with a magnification of 10. If the telescope has a converging7un2 xaj vd ( foe:-/.v5oaqou lens 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 designinx0/feg6ih ag./mz99:w mscx eg a 10X telescope. If the telescope is limited to a length of 20 cm, what 90ah 6fsmxg:i 9cem/x gze./w 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 objecti2c4/u:zf-o 2di+ovnn9 mes df ve lens of focal length 1.4 mm and an eyepiece of focm4du fz2n c -2oidovfe+/s9:nal length 20 mm, adjusted for minimum eyestrain. A blood 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 focal length 1.4 mm and a f/x,uc3)t pnyn eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample i3/n)tuyfxp ,c s placed 1.5 mm from the objective. 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 microscopbj:oib;f djt, j:o5/a e has an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, , d;jf:j/j5b :ob oiatwhat 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 hasd--l:7 qpu39 ocrryzs a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal lp9cor d3s :-lq-u y7zrength 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 q(i g,t-aoc a6vr:.g sm5p (j ot6m3eain the constellation Orion has an angular separation of 10-5 rad. If the wavelength of the lts ,ao-tpm a 356g(6a vir jmo(.geq:cight 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 resolve objects which are0 zcec7wqrpww 8h a kik*3c+c;(vsu /ep8c)l 6 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelwz+/ i )7*rq ecplvcspe80 c3ahw86u ck;wc(kength 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 eye changes from a diameter of 3.5 mm t h-zm5n( zugzv.9ki1r f0m 1vho 1.5 mm as the illumination is increased. By what factor doesz mn(fz 9uzrk-hmv15 .gv0h1 i 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 Sp 04+sw.ptver1 skjllay,z +;tsk)s6sace Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope a6e) kt;as rjl 4lsp1kywsvs.ts+ +0z,chieve if the wavelength is 500 nm?

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