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习题练习：Physics Unit25: Optical Instruments
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 作者: admin  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 exp9tw ,8ucfa4+ 8lduw 2ane ij-josed in a camera is determined bl i a2+8wudj t8,n-af4jeucw9 y 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 ipa w7p pow:t;jey;(ns/ -pqk:n 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-j.9 sh7k xcivw1hkb 3x* ,0bbgfilm distance may be varied by sliding the lens forward,hgw kbjbci 7s9kh.xb*x v01 3 or backward 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 ,o7pds6 )c)p2yixl7eq u:btwno.h)pthe film with a field of view that corresponds approximately to that of normal vision is referred to a7xo n7) l)eq)h owytu.2d,pips:6c pbs 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 teles9qpk;lp6 h:o 0sncf wa1,o o2),+k knrqfeo)scope 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 ;qjw 7(hdu ol9film with a wider field of view than that of the eye and through whqju( h;9dolw7 ich 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 from the human eye?*tovnz 37,+ p l(wji5dclo91zq8ae kv

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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 bc a0 ht:(vl,rd un(yb7y 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 ey(r2xt9sgkqs 3 9moqe*e 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 objectsl69vih2x *xy b)2j cxm aq3/js 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 fronaxh2k 7jnotc)3xl e1yc* ,w56rtyir4t to back, the person is likely to suffer frxkhy5a )4wjc, t cie617xrnl32tr*oy om

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usnhu/ 6 v:skn4cually be 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, o,j)q70kwl :x96tccw u y6d aqthis gives rise to a vision defect that can be corrected by uuw, :6qy cx0da6ok cl)9q7 tjwsing

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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 eyebal0kxeiadf(ka4 -. icg: l is too short from front to back, the person is likely to sg. idxf-(ka k:ciae4 0uffer 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 correc )c1oy6- prqyfu1dc3zted 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 r mevbzwt q:, )z5qb(.gise to a vision defect 5q . bgqv:mt z(w)e,bzthat 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 chv4kk+ 8iroc5p e,)f magnifying 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 diametz:5yujm-,k 6:iunk svr **cv zer objective in an astronomical telescope z:u syjc:kk - vuznmir,*v*56 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 formhr 6d;w/v/ , ;etgy twtfxq93zed by a refracting telescope. Suppose an opaque screen is placed in front of the lower haq6ew/gt;h, fr/ wyxv 3 ttdz9;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 sensitivitymh;3xjq1xoa 3a+px m 6 throughout the visible spectrum, in which of the following cases would qa3 mx pjhmxoa63;1x+ you 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 malr4 ctf.2fzc 8gnification $m$. 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 thepv.v 9hjm705nruu8cwp /p+ b4vnvpc ( greatest detail when using a microscope?p97rpcv4vp +.jc(nu8 uvvh/ b0wnpm5

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffyohaxdw4t 152 d7n) ufer 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 frm4cx- 2cg6dqsn g/fr)om

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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 thbbu5bq y,z;dsd * l3b)v9f7mmqe7,tp e 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 res .7d hkidysr:/olving power assuming that all othehd iy7 d:k./srr 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. Whfdlj)vyv7/y1ug2gp9 -mk (c q at lens (in diopters) will allow this peg/)g9u d- ckf yjlp(7vv2y qm1rson 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 object-4l4 z4i hrvf;s/ qdmws more than 70.0 cm away. What power of lens should be prescribed if the glass isv4 w4fh mzdi q-r;l/s4 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-57 / duhe2(m)ffzr 9ctdp pfre power of -0.15 D. What is the person's far me9hfprz rd2df 7- p(ctf)/u5 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 farsighte8pfm:rx *x*ryz2e si,dness where the uncorrected near point is 75 x:*2yfeimsxz*p 8r,r 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. Shppbp*:;8jxne mgef43 e places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lensxeb3: p;jpe*p fng8 4m 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 +2iqo0f)fuvqd (m 8hlread a newspaper held 25 cm from his eyes, if he wears go0)dfufl m( h8+i qv2qlasses 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 64b+zm 7uc xq2acxy;snt of 25 c+ccq x2z4y7; mus a6bxm. 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 neh/8mdv c;5oazl jw; w)ar point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their near powj do wh;/8m5)a;vzcl int?

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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 is the magnification-ijo t z;-cl/.eqa s+aniz-y 8 if the image is viewed by a re+/oyla.e z-n-sq zi8c- tj i;alaxed 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 magnifyin l2mt tx*)cou(o0vmz/ppm9 8kg glass. What is the maximum possible magnificatm)t 9/ptuo k8cz 2mmlxov*p(0ion?

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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,lbil6vye3 k,5b1 6 oc m, vwzzyh c)psb-9:dl lens of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye3ik,czpll ze)b,1yb5c-o6yhm 9 sv b d,v6w l: 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 zuxkiz+lf*68u6f( x4 (vvanffocal lengths 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 *8f6ui ( 6k+4l uvvfz(xxfan zis 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 le, g*d 4xt97ewtzf *i+mz b-f4r+erhhch/f-f mngths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use anf+ 7c eb9m- zh-4rrf*mi4f, h*g/xw zte+fth dy 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 b rd2 f6+i71 wbpkskza3(thv /has a focal length of 200 cm and its eyepiece has a focal len/v3t i(+hkw r1pdkz276bbasfgth 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 telelmy ::1vx 2jv )wdz7vbscope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal le1yvv)jm l2:7w:v zbdx ngth 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 astro/sfkfv r1x9i bxy+xl;ej9 ckf:3(r 0enomical telescope with a magnification of 10. If the telescope has a converge jc/lxx;ei 90+kxy3b19 (kfrvrfs: f ing 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 designing a 10X telescope. If the tad5hqe;(e:-d5jj s ebelescope is limited to a length of 20 cm, what is the approximhsjqa ; -5:(e ee5jdbdate 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 e8hh n cwa;q4wbt; erw);l(bam r9uv-6yepiece of focal length 20 mm, adjusted for minimum lhr;nh a)4w cqrbeu6 (m w9-8b;tvw;aeyestrain. 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 an eyepd;id: efge ozc(+j(t 0f0t(r*(sjedqiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm frocqdiet (ge( *frj;tfs( (ze0+ :dj0dom 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 objectimw 3lno8i/ywi5x3q5uu* y f0h ve with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenseso/lx3fywu38 yn50qii *hu5mw 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 objective withjnp/rer 9sx60 a focal length of 8.0 mm. What s/j9n x6er0rp 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 anguovnrh/ x4vs1ud-,bznte:*e ) f9z*nj lar separation of 10-5 rad. If the wavelen-u1 s vbej 9)4n:zzved,**noxr t/h nfgth 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 resolve objects which are 0.010 mm aqt2sta )c6p03n8q y5to x tgd3part. If the focal lents583 0toytgt2c adxq 3p6 )qngth 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 eye changes from a diamete+za *pigx)8zzr of 3.5 mm to 1.5 mm as the illumination is increased. By w zzpa*z8x+i g)hat 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 has been placed into Earth orbit by c5syew qzigm5 k.z4nzl zd:28jo + k81the space shuttle. What angular resolution could this telescope achieve if the wavelengthe8sn.cm8 ijg5kz+l zwd54kz2 :1o zqy is 500 nm?

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