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习题练习:Physics Unit25: Optical Instruments

 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 shutte wb)j)kujx1ixd -z(3cr is open and the film is exposed in a camera is determinc(ux3zd)k1j b)j- wx ied 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 de5h/w+w e2xfres pmn 8)termined 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 the1k6+wikuw-xj;*v cg+p4fqx a7czy*c lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housin*y7wc*6xikpvw1 -ux+fa + zg;ckjqc4g. 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 8f2ceya62lvf r7dbd 5ic bt1+of view that corresponds approximately tvb7f5c2 8fycrl id b6 2+date1o that 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 like a tmnx zv2c9.4 c.d*6tt9e2 0 jm vetgmqpelescope 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 th8gh)toy4mtffez,+ qlz (+2so e eye and through which objects appear smallery q 48+etfo h2lzzmgt+ os(f), 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 differ y hd0*e giuo/,lapd,:ent 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 tde a:g9b8 q rw7:j w2;okkln2fhe

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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 clearlyi9l:pte: (vrpcafp46s nf .r3 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 cleart wz6 ca 0x*:mc,pap3gly 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 to back, the person is likelxh04v.kz1-gl pu /muvy to suffer v4k0 x lz./-vp1hgmu ufrom

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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 osy*ybv+-dmegq d3xl m1y7 *3 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 a viqscdag dm3*ql vn:+uwk* /6 a6sion defect that can be cocsw+dq:a 6*qgda n/6mvk*l u3 rrected 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 nh:w b6 9y u/bf.kbkl*front to back, the person is likely to subnhb:k6kw*/.lf 9u yb ffer 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 beocwg,uim+:8+y //; afzp xasoc/ )sby 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 ak4n;1:ku of3o ixk(ito back, this gives rise to a vision defect that can:kox3iukk( f 4ni;oa 1 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 magnifyingr+.y*ui0) i*zqdkn yo 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 so,y08 w- mqfra very large diameter objective in an astronomical telescope iqmfswr- ,0y8os

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider the image formedoi5 *l mt-fc/c by a refracting telescope. Suppose an opaque screen is pla lft-i mc5c/*oced 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 sensitivity throughout t1hy3g.hohggwim0 / pylv 2*5:vi(kpohe visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The hvy h1 /kypoh pv:* 5i3im(oglg.wg02lens 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 asvjk5x2i k t4dg7 ):6gxu4-xfepw 4 yhr+re(e 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 :/sf /g llo6 j+,lom.nvtl-hiyou expect to be able to see the greatest detail when using a microscol-n /ll6j+tlg/fiom.s, oh :vpe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffertnp( / euk5;em from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufioatf ze4 8y*(fer 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 microgb;. t5e g+z9+bvlan iscope 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 rulrnk) 2lt8 *jadar dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its kt jl82 *ul)nrresolving 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 dioptetnbsmbmjyu5t- rw -54,33pnn rs) will allow thimb3n5w- 3 j4ytnt5, urnp m-sbs 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 than 70.0 cm o 6a9srz:nf3v y- p6qjaway. What power of lens should be prescribed 6:az63nvsfyj 9q -or pif 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 w3o,+sr omkd.lears glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close tomsdlor+,.o k 3 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 uncorrectew56,p(aqaw : )rap45damee3;ragnkk d near point is 75 ca,)r;kmrgep(635wp aaw5qd nkaea 4: m?

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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 zcj2-5q dn,.oha:p1y3vr o vjcm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper atdy ho. vcvn,q31oj5r2- :p jaz 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 fromikn((tq- +uoi his eyes, if he wears glasses o oqki( u+tni-(f
+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 hd5iiff.,5i jb as a near point of 25 cm. What is the magnification of the lens for that i.ij,b5d f5f iperson 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 point ofkx c:4oigv/y6mhbwix;:9 pn- 25 cm. What is the magnification of the lens for that person no/bwi hpck-6 i4xxm:v;yg:9 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 s my6u8wc2u1c, /f,sosx+*pwrql *wg. What is the magnification if the image6f+rw *s,x*wyo8cu21 sl /w,cmup sgq 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 a*x30maff f: qc;fiv f*/,lbp of focal length 5.0 cm as a magnifying glass. What is the maximum posp :f3iffma /q b,*lc;axf* 0fvsible 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 focal length 5.0 cm as a magnifying glass. pkq1de8p :mw67 5zsfzs4 wg/bWhat is the magnificatiowsdepp4581 bqk/ g z m7sw6fz:n 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 lendma 9gh9l nw50ses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. Iahm9l0 d 5ngw9f you were to use any two of these lenses to 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 leng7o /wmu 1kaea+8ge8seths 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 gkme8aos ae+1uw8e 7/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 v0ciy)g2on nfih( 90q length of 200 cm and its eyepiece has a focal length on( hg2vci9o0i q0n) fyf
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 ac8+ ou dg. u*q/8yhqgr magnification of 10. If the telescope has a congr 8/+do u*qug.8qchyverging lens 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 an80g8,1 mk tl pvfajn9a astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is tn9jm agp,ft81k0av l8he 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 telescope (-medlw.v f j6is limited to a length ofew-fm(.ld jv6 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 focal length 1.4 mm and an eyeps,kl 44vwhxt+ iece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective.t4s , 4vxlwh+k 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 eyepiej4lhn +- wmht 1)ku1hoce of focal length 20 mm, adjusted for minimm-nlo ju4)kwh+11 hth um eyestrain. 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 wvmd1) s 4shvb7u:7 2wkkkk4(uliz-vwith a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. l vshzk)4vd(7 b7ki2 -kmww:ukv4 u s1 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 v4.9 yw/dax lk18-cm barrel and an objective with a focal length of 8.0 mm. What is the v lx49yka/d.w 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 an 2dpd 87g:frph ln6*nbgular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smal6gln 72hrb: n*fp ddp8lest 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 i f/ 5euluw*l;a3h4qxas designed to resolve objects which are 0.010 mm apart. If the focal length of the objective is uxulq3*l 4awa 5ehf/; 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 chax h;:yyb ;j*:sw) h wb2yuqlp8nges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By whpj;h*wu)hq; l28bbysw:y y x: at 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 Sub- ,o-b 7bxy2flp hx,pace Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if tho ,bx-bb-f l7yup h,2xe wavelength is 500 nm?

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