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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 n;afx3,syepq*mp,5aa.r m 4a the film is exposed in a camera is determinedxy5s;a3aa,apr,qnm4 *p fm. e 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 sk3 he kq(hsu;xcsu:8i x.b0 +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 be varie7xip3w epjyb*t2he* 0d by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy pictur*jb2ix7 pey *wt3e0p he 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 colmefpro, / zlp jfk,s* ym49(3fbs3g.vers the film with a field of view that corresponds approximately to that of normal vision is referred l r,sofykmf93pbezpm,s*fg 4l /j3(.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 telescop,lqog hyd;q 0-e 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 of bmfqhld4lu 1 8x-vnr26 tfy*.the eye and throughnr *fl-vdy8b1 hfmt.4q26 lxu 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 following ways is a camera differentq y 5z5r1+veu kj6t9 vr66 toiz4(swzb 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 of0i /ap8o6px pq 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 eb 7(wswr0lqc q-5p/jgye 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 obshzci2)8rjpo) o5( n yjects 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 lowh n(; 6(9s:nejeas5agacw xhz/e)q6ng from front to back, the person is likely to suffer f9ne/)wsh6 chxa((e:jenagzqaw5 6s ; rom

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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 corrwc+: z4ty0ml0 hxnukmnd2utn9w r4b x1 -w00v ected 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 7) at+jl)4e jr1ji)i/ohqhvc long from front to back, this gives rise to a vision defect /14q ) )h j) eajjho+rtlicvi7that 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 persl afrjgs va: 7:(aa6on6 5ien1on is likely to suffer a:nn v1l ie 6ja(oa gs7r5f6a:from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usua,kh 4 2dmu5wv/fop9orlly 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, this gives rise to 0ti-zvm 906rkg+wsn ia vision defect that can be cor+kw-0 tv69sr g0mizin rected 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 w 0-rynyox +)ia 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 diameter objective in an as*s ;qc4m0v1/bbyt s mrtronomical telests bm;mq/b*y01 4vcr scope 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 forme gya:ud(xdmm -:nb b+748kplq d by a refracting telescope. Suppose an opaque screen is placed in front of t(y m:kg+b7xn -4aq:8mdpubld he 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 sensitivity throughout the vvs2q 8f-+edu 6k,f0ngdk7vv oisible spectrum, in which fkqk2d e6ond8f-v vv gu,7s0+of the following cases would 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 ad3w: a(*zokvv 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 aq1cms: )7xsd to be able to see the greatest detail when using a micro7) sa:m1sdqxc scope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffei 7:e ;fue4hut*.2lzidl+xj sr 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 fge;4ld6bch.krz q3o 1rom

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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 tbp*5 8s12.h lfmq 0 ;equcwlomo 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 happens to its : hoo4p0oq,joiey+. iresolving power assuming that all other factors remai.o:+qop4,eoj i yo0 hin 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. Whaty k.vi/w z et:,5r m4v,rfi tcu8end3m s4m27t lens (in diopters) will allow, mdye e8t,wc2zv t4vur7 5i:im3ft/km n4 sr. 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 thdyjt :5c*2wgp 5 k.zmpan 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front 2:cm5 wkp5ypjgt*.zd 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 -0.15 D. What isn r 5o)hy-dh,d the person's far poind5 hno-) dr,hyt 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 t y12v-krz;fg w-uzh/z he uncorrected near ;2z/ kv fu1-wgyrz-hzpoint 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 farsi uxaq1 lhz r9gx72; hbvr-0)1viytcq0 ghted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. tai0vg9b c0-qrly) rxxuvh1 1zq72 h; 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 helpp3 i/ fud0ip2c0+l+n) wncsjd 25 cm from his eyes, if he wears glas00/j nlwisu)+f 2p3ncp pcdi+ses 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 persontry .ef oy :w*6vty(4du a5xmnzt:;4m has a near point of 25 cm. What is the magnification of the lens for that person when their nx*wveat o( 4t y;ztym6: 5:rfd4m yu.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 near point z. f r dt ;jikt;r11dic+:+wks7z 3tltof 25 cm. What is the magnification of the lens for that person when their eyes are focused a+7l:fz wikr;;zitsdd+k.rttt31 j 1c t 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 h:f 0muh 0ys .quwc4 .ls4x2 .ybvgkan6as a focal length of 7.0 cm. What is the magnification if the image is viewed by a r.0.bcx.uy lm2 s qunw6v :4ygahs40 kfelaxed 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 magnifyiu oi7bkdnh*/ 5ng glass. What is the maximum possible mag/* bd57khinuonification?

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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 - :z 1hwln0ylspx vkx -4;w/majn/ 3atcm as a magnifying glass. What is the nnv1-jw/ yz4axlkm; /sw0 3tp l-ha: xmagnification 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 c aqe+pk oi;q,n43tgh +m, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to+ep3 k tiq,;4ohnq+ag 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 16 cm. Ifahydu jt t,3.uj7( s 8+eh:ihf you were to use any two of these lenses to build a telescope, whaut,ufhy(3h.a s+t8ih djj:e7 t 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 2git 2/ w2zdm:a 4ixy8v00 cm and its eyepiece has a focal length dwa4/2mg x28i: v ziytof
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 w5r+hkm 5t g8jf-2j cjuith a magnification of 10. If the telescope has a converging len r-fjumj55hk28t c+jgs 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 f9.2dbi o 0iivae 3f /t)yue*fa magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of ft0iuey if d3b. /aeio*)f92 vthe 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 to a lengi+ ar9eu8 /ys +r,cihmth ofi sme8+uc9yh + r,ar/i 20 cm, what 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 objective lens of foc4ixs8 :yl bmvb75uyl7al length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum e8 i7ly:4l m7x uvby5sbyestrain. 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 l 0xyc ahgi+w ztk 1c;p8:-c-seyepiece of focal length 20 mm, adjusted for minimum eyestr-h:gatks8lc ;xzy+ci-pw c1 0 ain. A blood sample is 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 microscope has an objective wmpn.k x)6oo8s, t-g spith 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 c6sxkn)pmg8sop ,o .-tm, 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 ham 85k: vg56ucdk/iau ms a 18-cm barrel and an objective with a focal length of 8.0 mmk6u55iavk d: 8cm u/mg. 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 separation of 10g83l n t851unmmj/dp5be 1vyh -5 rad. If the wavelength of the light from the system is 500 nhn1b un8g3 5et 5mmvlpj 81/ydm, 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 uwsxic4k-)8 +-hsx aawhich are 0.010 mm apart. If the focal len c+w-s)asu4-hx 8kixagth 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 persoaul86 ke8r bp04lvk )pn's eye changes from a diameter of 3.5 mm to 1.5 mm as the illumina buk0v a)p ekl88rp64ltion is increased. 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 *tqiega2, gu4 has been placed into Earth orbit by the siq2atge*, 4 gupace shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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    总分:51分 及格:30.6分 时间:不限时
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