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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: 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 inpdpw q p8*n 3qqnj,;m3 a camera is determiqq ,d83;*nwpp qnjm3 pned 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 d q, )awrdy:egykdlo9; ;i(c +getermined 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 lensf744 mnirj .wj z2si*pli/2;qu2 irlt-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, wi*7ql2prj f2;nw/iiisz i4 ruj4t. lm2th 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 z 5 jlfaz(n17xwith a field of view that corresponds approximately to that 75fljx n1z az(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 lik 6t).3len3 ynsq6mbf ee a telescope 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 covery igqj6+8b.+t-igs6z+ o4dxd 4tcs h0 etsfc3s the film with a wider field of view than that of the eye and through which objects appear smaller is referred to as f d4tsio 3 +gs0g x6 czij-8edtt6hqc bys.++4a

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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-k089 fnxtzww pm82 gv 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 occurs at t ch-f 1.ycnn)gc3 9yfzhe

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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 cays1w y.zf(sf:p8zu+m+hco * j: az6bs t)gju:n 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 objects clearlyxnqni )58*pf 5tdcqs) 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 eukzsnm+(: ou+51cwb(70u g6tifgk ato back, the person is likely to suffer6+osmig17 f(u : bu ug0k(zktn+eac5 w from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usu:uw-hr(9 15 8kahibc1pnj ojmally 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, this gives rise to dhp(t 3v w/,mz5s y6uea vision def(t6e/sw vdpz3y u, mh5ect 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/bzrh4 f r 2acxsxl:(9 short from front to back, the person is likely to srzx2r x c:a(s/fhbl94 uffer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usu3 ky+exw nzgow,; v+ tj.b2gi0ally 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 fromf a2ew 933 vz0jpc8ipo front to back, this gives rise to a vision defect that c32zecw03jvif9a o 8ppan 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 magn.f lxwbs;yfo,-.0nyl *vow +cifying 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 di 9x;kjxk9 /p8egqkj*yameter objective in an astronomical telescojqxek x 9pgy;kk 98/j*pe 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 opaque l d 56vm)cco5rg,xds4screen isrdx)5ld cgm6,soc 4v5 placed in front of the lower half 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 sensitivizti( 8mr7es 8v,swrh6 ty throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred s6ewvz8itr7 (hr 8,msto 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 mag6zn. ykxo:kj*e/: pvh nification $m$. 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 wl7rt11bsfw 0oj b:j-jad( zo: ould you expect to be able to see the greatest detail when t o-low 7f 01js:ajj1rbzb( d: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 suffer nd)po/; dtse:ask f 72z lc(3jjk 2o*vfrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fjwi5rmam/d ju2did93 * ,w1v-as9tnu rom

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power ofbuz o2u*5jmy lvj(fl ,8yq- v) 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 doubled, what hr bp)4+-qrl pjads)s*appens to its resolving power assuming that all other factors remain unchanged? Its resolvinra+s4l-pr pqb) *d) jsg 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 poinxo,u ql4*vyp 7t of 18 cm. What lens (in diopters) will allow this person,opqx74 vlyu* 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 oovfr el s 8rl)r7(.nm*f lens should be prescribed iflfv (en7 lsr.8*r)rmo 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.,- e cwjhudzop-1*-ik 15 D. What is the person's far point if the glasses are ver 1-c- duzjo,iwpk*e- hy 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 farsx(j /2;ihystphi s01 bightedness where the uncorrected nea;y(shphtb2/1j0i xsi r point 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 places ro- gl.e0fif : onspe; 36+ngieeading glasses close to her eyes, e:s n-glp;0ee 36o ifo+.ingfand 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 newspap)ojfrmbz 8:g(er held 25 cm from his eyes, if he wears glas:mr( o8 z)bfgjses 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 lengthb, fr66c9uvku5sg* 7qqru v.nms;iz3mt s36i of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are fqit umgs6rv u 6,v uk3nr;mqcis379*5s6 z.fb ocused 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 pey85a 13uda gbyrson has a near point of 25 cm. What is the magnification of the lens for thaty ua51adbgy3 8 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. Whpu d9s- /29 bm4x9rk8vows:f qon1bxfat is the magnification if the image is view4dqr:-mw9 oks s pb9v9x u1f8/2nxbfoed 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 lenxz)+h dg ;w/cos of focal length 5.0 cm as a magnifying glass. What is the maximum possible mag)+howcd ;x/g znification?

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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 5.0 cm as a magnifyix 9t bl6(ep;6y ulap5ung glass. What is the magnification if the person's eye 66yx 5p;pl(ulae ut9b 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 lengny9/7gm 6c y)oqu:r apths 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 ior7q9)yypun 6/: am cgs 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,ey cvr0; d*l6c 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 lens separation for tdy0cc;*e6 v lrhe 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 adm ga, n9fz,ao,7h op46f4pge nd its eyepiece has a focal length ongf7of 6,pho4p,gm,e49 z d aaf
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 magnraarxq5d sm+f/+u6 (riei0s5vp9 +vrification of 10. If the telescope has a converging lenf vxu+ 6rr/sai5 q5i9md(a0+ps+errv s 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 telescope with a magnificati; h8mkxv sms.-on of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of th.msv-km8s x h;e 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 telescope is limited b8 k l,isqp:-4lfso8 uto a length of 20 cm, what is the approximate focal length of the ob8qu:- blo4s lp8f i,ksjective?

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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 lenc)uaqt2wbkf ,e )t.8i gth 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum ee )ft. w)ituqka 82bc,yestrain. 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 focanw 2xcez;-r*sl 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. What is the overall magnifi;ce* w-nxrz2s cation?

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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 wihzng;maqy6d m0 t zv1 1nf0dmnu;q6)0th a focal length of 3.00 mm and an eyepie10qt fvyn;qzh0u61 g0n;dmz6 nmda m)ce of focal length 6.00 cm. If the two lenses 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 with a focaqetc2 j39sb q+e h.aa 4m*5rsml length of 8.0 mm. What is the focal length of the eye42 rhsb5*ce3a s .qqm 9+jeamtpiece 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 hl hnekg.*8z-u +0y ercas an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolve y8kg-chzneu e*0.rl+ 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 gh;s,-i x zy.omm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the dia ,.sz-ig;y hoxmeter 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 oft238h/t a/wgan:vw5m d k f0ecqs9*l t 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution haagww c2d: *lf /m58q/ 9tnst3ktev0change?

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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 pw u.co()dr d8(jm 8wtklaced into Earth orbit by the space shuttle. What angular resolution could this telescope ac(wwjd 8(t.m)rud8 kochieve if the wavelength is 500 nm?

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