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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 expo .b 7lpz4 bthq8mw8u1csed in a camera is determined bt81zq bu hbl .pc78wm4y 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 determinqu3s6fnzvi, ik(a3x 6ed 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 leca h12yy;a a3lns-film distance may be varied by sliding the lens forward or backward aa3l1ya2hy; cwith 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 the film with a field of view thacy,mnr y5q 3d9t corresponds approximately to that of normal vision ,qymn c3 95dryis 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 like a telescope to magni,x.5afv ua;dze;or5n(w 7mwk)u. o b sfy 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 opg rau;mels)ib* z+*5 f view than that of the eye and through which objects appear smaller is referred to az5lbir)gpme a *u;*+ss 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 folloxm (1*fel8e 6pgswby 3wing 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 t6m/ yspjq.y1 ihe 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 distance9cu ;ou3qq:i ti o6n7cjzc6b1 at which an eye 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 objectua; *x)l 0o: tnn;icb-l;grets 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 t j8/2nrn ecyj,oo long from front to back, the person is likely to sufnyn,8cr2ejj/ fer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually uni ,fkca*14y 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 if,qn ijqgp 270s too long from front to back, this gives rise to a vision def72 gpin, f0jqqect 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 rz :1 se srla8od)vv89person is likely to suffer fs 8e9ls :)ra v8ozd1vrrom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usu8l 5mx2k h;xmcally 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, ,eeg2ea;j:lr. cttb3.g,vqlg u))fvthis gives rise to a vision defect that can be t,g:ur ) v ec.;.gjfl3 ea,e2)qbtlg vcorrected 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 magnifyin.dyzrel6b/9uxe ) :g f2llni 2g 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 obje2a; 2n +widtvrctive in an astronomical telesco; 2d+2rvita nwpe 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 screeu na:m p5 sz3;wmu0tg6n is placed in front of the lower half of the objecs ut3p:wzg506; mmuantive 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 sensitivi(g 1pr,lmkll8) cj h-b(o9+/hw qjkzx 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 to is the objechp8jh kgc)9-xozl /l(r1m q,lwk(jb+tive 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 telescodwaa-m f 02:akpe 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 ; p 9kbf wbv,98 t.mydb/fn0gdgreatest detail when using a micr t9p; 89fbmd, v0gfbd./bnwykoscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer froe+qelx2px:2n2 )m4w k4hoh xom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffeoz++eqhbnwg** r -xk6r 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 e 5io3s(d1 tdqrefers 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 pd1y b50iq .eeradar dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its eybepi.0d5 q1resolving 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 po ic7t/.ri) ;zc-btqss int of 18 cm. What lens (in diopters) will allow this person to see distant objects clearly?ict)-rt.ic /7q bzs ;s

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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 obtcsc/wx*qnh 7 )sg+9a jects more than 70.0 cm away. What power of lens should be +gc*qaxwch9/n) ss7tprescribed if 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 glas( .6r 5ztc/v,wqvkgkeh7ab w.ses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very6 c, v/e agw (rtvkhw5.z7qbk. 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 uncorrect wb q ,2(u5j1*psvgdsged near point is 7s1vgu,s w2qjpg b( d5*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 farsig8r l6tp, 8wbxf96uqzb hted 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. What lenubz6x 9frql6b p8t8 ,ws 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)* lun ih1a7jz a newspaper held 25 cm from his eyes, if he wears glassesaliju h7) *1zn 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 neo5t/o p;9r0 nwt+ hq qnnen-,far point of 25 cm. What is the magnification of the lens for nntw,qo-0+p n9 q etf ;n/h5rothat 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 near p7-k wm7ke scnm :i7p e8aj)ds0oint of 25 cm. What is the magnification of -e:7 wd0js7kie mm7 c8pkasn )the lens for that 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: ukhnigp/2x.lrlef r:9 of1v6nz ;k7.0 cm. What is the magnification if the image is viewed by a relaxed eyeni/; ng:x7hfrlr2 16:ul 9f ov.zekp k?

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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 lengr andse/z*.) .vxfj h;th 5.0 cm as a magnifying glass. What is the max dzvnash)r* e /jx;f..imum 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 conve :b-liwvcee0/rging lens of focal length 5.0 cm as a magnifying glass. What is the magnific ilvew be-c:0/ation 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, 4.0 cm, 8.0 cm, and 16. 384u9avkd;dg itf grr,d5gq10 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnificatiof1r3kua ; it gddg9rgd4qv,8 5n 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 t7 8dnc 9cajmu ah.d.(o.qq9g7v ,ztk lengths 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 maximuj.oc,a vn.8q zk m9hc9.au(7qdgt7t dm 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 fi8ad jqt.y)xuc 4yj37ocal length of 200 cm and its eyepiece has a focal ley4 t8ujjxicd7y .q)3angth 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 1ppal3h z :cw/ d+7k7qqi2eb9 b0. If the telescope has a converging lens of focal length 50 cm be/qq7l2z9 akd:b3 c7w+phi p, 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 telesc4rh :fbf-.5gdci;91f nlo:yv6vx 9wc:hfki c ope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resultingwf6 1- yc:f iig:lbh. :vc9ncfrd4f9 ;xkoh5v 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 a leymww(i / 3f/l9sg o3iyngth of 20 cm, what is the approximate foms w/yw3li 3ofiy(/g9 cal 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 leng.q5t 56ukrgzmth 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placem q.g5kuzt 65rd 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 8kq 26 lvp-in8k).d7 eniehhkfocal 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 )e6vnkp lik7 8k-h 2hend.8iq 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 obja :8kzr 6zs+ mewf*4fz7qhvy 2ective with a focal length of 3.00 mm and an eyepiece of focal length 68r*sm7wfvay+zkze6q 4 z:2h f.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 ajt;l pxn n60n *(lfb)h 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 240fjnx; h(6lbp n)0l n*t?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A binary star systemo-r ykpspmovsdg;p6. r 5 6+-n in the constellation Orion has an angular separation of 10-5 ra ;k-d .po+ g nv-ss5prr6pyo6md. If 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 designed to resolve objects which arw m(rdcg3vt8,8b;p 5hgx9zbze 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 of the objectiv; ct9xz 8 r(,bgh5p 3dm8gzwvbe?

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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 of 3.5 mm to 1.5 mm as /zi/; 49rg q*t(mlptt;aieca the illumination is increased. By what fact; ei 4*tp/ mqztl;ca/ar(tgi 9or does the minimum angle of resolution change?

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51#
 
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  The 2.4-m reflecting Hubble Space Telescope has been placed into Earthd rqc0)gs0mxlf 2kj5) orbit by the space shuttle. What angular resolution could this telescope achieve ij xlkqgcd0))2sfm 5r0f the wavelength is 500 nm?

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