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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 exposedotv )f:c +e69hd*ugq c in a camera is determined bh*q)d c6 veo:9fcu +tgy 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 reacdqnle; r1:j dceio -86hing the film 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 wl0fy d65/ohrwjto:5c *prf ;be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a cffw0rw/5c6o* 5tjhr dpy ;lo: amera, 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 with a field of view that correspond erp7a av0fz:d: 12frjs approximately to that of normal vision is z1rv:fpj:2 dfr0 7ae areferred 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 telescope to magnify images is referred to as aag,6rfh9u ov4oml2ru82p d s,

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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 tdc/spq)hkmt+41iqu3 sg +pu;he eye and through which objects appear smaller is referred to a+ c )ph;1i+ ktqgusm/pu 3dsq4s 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 3 jficcxp63qie : u2 2l)uyan-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 o (6v zl8oxkc*qf 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 eye can see objects clearly a gi *2az m0f954(gdq: va7sd;bjdbfe 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 a i71 yvhj:ob1zh,d.non 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 tkhd xa3;/6h sao back, the person is likely to suff/;36 h xakdhaser from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usualj:; 1fg p:7nrk3xy trrly 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 hidts ci/4zvw2fx ./(x1 s:euback, this gives rise to a vision defect that can be cov 4/wsic:x( i1e/.d szht fx2urrected 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 frobzf s(ua5 ,)synt to back, the person is likely to sufszay( u5,sb)f fer 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 correct)p 8;xti02sby yv e3tt+gl w/ped 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 givzilty5(o g p256 rayc1es rise to a vision defect that can be cor6yy 1z irp 5g2oal(ct5rected 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 magni*:t 8uhy z4glp k n lkflush(j9+m0s;2fying 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 ods/h23bi;u t5j9 blm a very large diameter objective in an astronomical telescope iio;u3m h92d/ljb5tsbs

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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 op+f)e( xwy/a oe6w)lv,up vqinm,)5jwen;y 5b aque screen is placed i, w) ,ypv(jbxe5owy+)/nevna)lu5qeimf w6 ; n 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 sensyt0oqs( bg4oyr t143o jt,hm/itivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closel, qttoo3/otm1gy j4br 4 s(yh0y 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 telescopu*3 qe v:stj.x6u3wj kw idl/;e has a 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 to see the greatest deta4sm h,o-t ab9hil when using h aho t4,-smb9a 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 ojblh/o/0 2 ;vv-nbgt from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffed09fety/jwn+ /9 yvksr 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 r4x4y zqz50/xgkyv, tsefers 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 happens to its ge/2*j .wd c-g00d4h tc stqtcresolving power assumin/0hg wqcg0e2sc.jt c-4*d td tg 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 of 18 cm. What lens (in diopters) wik+ )ny9eg(7vr.atw avzpa d51 ll allow this per+ gvknewar51 ty9vaz p(.)7ad son 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 wv*j1u5gq0ytge+y3p v0 g :bv objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 w* t 0pu:v1 05qyggbvje+3v ygcm 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 wuwxb hs; e,i(zklh3j77d a7*b;y up;-0.15 D. What is the person's far point(dw;bjh ae;x7u;lz u7hspk7w,ib3* y 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 cg:2ue g* g/3ou7 t+tl ml/jxcwpg p.1qorrect for farsightedness where the uncorrected near point iq.o1eg :pgwj/2 t * ptxl/g+ul3cg7mus 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 readingd,tk+kr 23z xv glasses clo 2x3,+tv kdkrzse to her eyes, 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 his ey3ny6wip2n4h g(sd cb /es, if he wears glasses 2dnbwypgh/si3 c 4(6nof
+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 poiqjo;g 6os+/-y-lrylx nt of 25 cm. What is the magnification of the lens forlsoryxq yo;glj+-6/ - 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. x0lh 4(8qqdjqwo4d fz) eie: 5 A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their ne4dqed4xqji5 :8hf o( )eq0zlwar 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. What 0ij h:b9q; e uqr;jc0gis the magnification if the ehi; jg q:9;ucrq00 bjimage is viewed 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 ast 4efohh1ty 0at26+b4 v/cckh72opc l a magnifying glass. Whphc1v4th6y/a ctb o4h 2el2k cot+ 0f7at is the 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 foc3msy-2 66 jtlm hhsukmff/b; 6nd q//nal length 5.0 cm as a magnifying glass. What is the magnification if the personfy 6jk6lh/s nn q dh2u3// mmfb6stm;-'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 o 4fs3d//dmzs:o8f w a2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a twm38sda:fzs /f od 4o/elescope, 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 leng7*rxd+q -sfk h0. -m6imn,+9 cashfze0ezfs x ths 2.0 cm, 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 the maximum magnification telesc+fxf6*90esm z7a d hne k-x qi-+.mrss0f,zhcope?

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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 foc/yo/e .s0c 7hj xrw0tmjoo9, pal length of 200 cm and its eyepiece has a foj ow/ooe0,xyjm7.r ht/p sc 09cal 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 wi)z803i dlo9ao2n asx jth a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepi8)x3los09 d2onjiaa z ece?

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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 magnificatio9e .o(q nociq +(4lvgnn of 10. If the telescope has a converging lens of focal length 50 cm, what is the res (vqni9+leqgo.co (4n ulting 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 telescope is limited to 5s6a9u silqh5 /u h73ol5ulx fa length of 20 cm, what is the approximate focal length of the obxll56aq53 hh7 u /iuf5uolss 9jective?

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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 m ( x x/pxgb(kfo1vzn 4kuij:39m and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample i(3fpx9v ixgxn1 o :u/4b zkkj(s 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 eqe j(m /h*h;cq pm/hl8yepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the ojmq*pch 8;/hl(eh mq /bjective. 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 with a foebjfu;fv;ox bz8/yz3 2o ln )0cal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnizbzf3 u2 ;o;8e0v jbyf)/ xlonfication?

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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 o ,)qt hhp100hx0ndxia 9+hppnbjective with a focal length of 8.0 mm. What is the focal length of the i h x 0a) ,9t1hpd0p+qh0xhnnpeyepiece 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 ang9 4mfx+msy(i)njm(h0 ihe.s00 ) y wnb(sdrf 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 juy00mi 4r bfe+d(0iynwhhf s( m. x j()9gns)msst 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 resollsn- +6p p(8wzq+9.iiqk; fyun2npibve objects which are 0.010 mm apart. If the focal l.izpi nkq9+pqy+s6u -8pl fnin2(;wbength 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'fn (rng:h0 7aj geur)ehjiu2.ad -5 )is eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resol5aue )-0aj(hfri:. nrigejdh )u7ng 2ution 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 Spe6j;owa3 tuf01 gq w4mhys.k b-r:9 tnace Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 t o.h1se r46u0wn 9twm-bk y :ja3;fgqnm?

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