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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 i.e5 otrsx*s8ow;ws 0 ss exposed in a camera is determined by wx; 0 ts*s 85rw.essoothe

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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 byp (-j)wmyr:no:ify z *g+sxn, 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 k7sd+m nw6 w*dofz)2j2nmo+i may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture isn wokif)+odjm*6m7 s+dzw2n 2 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 witvmrvyz7 28 .6y+hoaof h a field of view that corresponds approximately to that of normal vision is refev2+ 7mo8zvfhry. o6ya rred 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 tel v ug4vab92e/-)c znqcescope 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 wider field of view than that k q 3; hdlswxw7 y05ne+,pp:tgof the eye and thrk pe7dgt n;yxqs0 5h:ww,l+p 3ough 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 followin yam r35im(c3wg 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 refraction of light by the eye occursm :+c8xdj ,aytk2eo3 f 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 se4 r4vzur x3jpxk:8 8xw2 qyz u)sp7:cq(u 6zjne 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 ;, 6mf3glz,1 wnmnnqowhich 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 li0 k9* aiismg-/+6peuoe q v/ 0la2pbkikely to suffer f0u2b +vil6gaka9/ eepqm/ i*-p0o sk irom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually e(j9ozyw ; o*cbe corrected 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, th: fri p8lbcn- ;vh8()nb,2xawp9ehhsis gives rise to a vision defi p8;sxfhh2l-(nb b,rc8n v )h:ae9pwect 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 person is likely to s-c0i8puap(ti uffeptiu p a8(i-0cr from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuallyle/r1j1kz+r9d tgb 1t 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 short from front to back, thi jt7h/cn9g+r2 ydw(jts gives rise to a vision defecyn2 tcjt7w9g+ j( drh/t 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 magnifying gla/ 2c3/s/seh 1hsz y5voiq9q1lgsj ;coss?

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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 inal..n9 : xrv8m9wmscwf,tn/ h an astronomicalw ,xcsmh. :9r/mvln 9a.wn8tf telescope 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. Suppose an opaquek0c e o;:bksz3aui +g8 screen is placed in front of the lower half of the objective lens. oekc3i a ;bk:0su+gz8What 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 haahp5gdllg j,1: s,g d(s uniform sensitivity throughout the visible spectrum, in which of the following cases would yo gsp: dal1 (h5g,,gljdu be able to best distinguish between two 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 fxzp*(.v(nm n g)2hej 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 expect to be able tuf-1(ze e 6;ifai0 dku:x 7bjt4o zga.o see the greatest detail when using a microfgatj 64.ke u ei0zu:xdaz-1i;(o f7bscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromqql hzp0.t9s2q:wvy6

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffet cf -ajqxp6 fkkd7(i q4g:2/lr 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 abrhfj6g*ao(x( es+f s* ility 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 phdq k.ewl(8ff--,0 26g i2gihp uqknhower assumingghuhfeqd2 iin2q- l0(6,pfkwh g.k- 8 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 rtij 8 mce,ai;;o0rna 7,m5gdof 18 cm. What lens (in diopters) will allow this person to see distant objects clearly caiog;0in7rm ,dj; ,8rt5 ame?

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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 po3r: ,gjqbce mwid t q;e/dp5),zcp,/jwer of lens should be prescribed if the glass is to dj,ze p ); cdc,r5i:3pj,gebqmq w//tbe 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, b wq;g/ca:bh glasses whose lenses have power of -0.15 D. What is the pe gqw: ;h,bcba/rson'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 farsightedness where the uncorrected c/ iq7bal p+cjzp-/ (xp2m x2r+h.hdinear point is 7+b/+arxi / ph(chm2.lxqij d2c7 pp z-5 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. Shm5 (tf*rps/ike places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lensftkr5m p/ i*(s 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 cavlbnhvbgo ar+1 04.(yn read a newspaper held 25 cm from his eyes, if he wears gl .(4+ronb0 yav bh1vlgasses 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 poi 9byv;1zgb(+jh( eezpgm 2 to.nt of 25 g 2m( ob.h+je p9b1;g(yvetzzcm. 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 cm. A person has a ne9+dorcw y/ ls7+rc bx,ar point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their near point?9wr/ or,csly+ d+7bcx

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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 jv9 ;fb sg0iv ob7/(d7vc3u kmof 7.0 cm. What is the magnification if the image is view7mbsuv9c f0bdi/; v7(k og3 vjed 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 aq1x *,gsjh,wl magnifying glass. What is the maximum possw 1x,qghl,*jsible 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 7b 5 uwv2+*s. ykq)bj6pqctkwof focal length 5.0 cm as a magnifying glass. Wqwub w*y 6bk2+jvq. kct)p7s5 hat 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 c/xkd:v+npcm/o f7 vyxs 2i/,.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what xf,/yxcsmn7 : vvdkc2 /+op /iis 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, andzjc3 ua*5eo -m 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens5*mazej o3 u-c 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 -zv 1upgq uac5o(w-0gb bks56of 200 cm and its eyepiece has a focal vozu-b5(cas- uw6 bgq15gk0p 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 telescope with a magnification of 10nvye8 +ni65w*1k-mcx je wk- pji3: xs sacz;;. If the telescope has a converging lens of focal length 50 cm, what is the focal lenwke*a k mj5x e wsc;z1j- cv:;in-s+6npx8yi3gth 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 astrojxy5-j3b y )05 x8o zqear)s2 vm:rmuenomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the tevmme ro55x ujr83 0a-yxyqbe2:) ) sjzlescope?

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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 telesvp2 pk3g5/emrvykj ;ys i.5s dp7. yx.cope. If the telescope is limited to a length of 20 cm, what is the apppve 2/pskdpy.rv.y 5jky .s 5m xig3;7roximate 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 1.4 mm and an eyepi7, oyw. 7hcm-ptw rs4xn* 6pogece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. H-4 7.om ps6w7ctxopgh nyw*r,ow 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 j:k-qj:hro,c)cr41zw rb9f s and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 zs fkcc1,:4o-jbh j:r9wr r)qmm 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 microscope has an objective wik5 y*-g h+8zvqp0bfdcth a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lengkc5z 8vbd *yhp-q+0 fses 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 barrel and an t98iehg hn.m 2d0n, zaobjective with a focal length of 8.0 m8,iag t d.nzh2m0h 9enm. What is the focal length 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 Orion has an angular separationfa1evn 6wo*b . of 10-5 rad. o6vn*1 ewb.faIf 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 despyya)z/,)w m 1yp7vneigned 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 is the diameter pe)v ,wa1/pz)7 yynymof 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'0r*a*rm5 ufl-0k0i r 6nj irvzs eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what f0r rrmn6*ia00f*5v- zuljirkactor 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+ l.vyv 1w o:qnbjt+ h+92dtie Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution hoent+ j bv2vy9w+q: 1t idl+.could this telescope achieve if the wavelength is 500 nm?

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