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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 in p f7zw)(f r0uab)c nfz9* gu0ta camera is determined 7w( fu)nt ufz00 b)pc f*gzr9aby 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 dei-s84y o4 k4- k,3ybt.p9mbslggb4 jq(sxbxvtermined 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 cadw2bf .;w6 idd uf/td)mera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this mdw 2w/t;b 6.dfduf di)eans 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 wo 1pi5pcncs /*ith a field of view that corresponds approximately to that of normal visio1icpc*/5 ons pn 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 telescope ,grs74a1v yvq-;no,c xkh x9oto 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 wdh7ld:3ql 7q 4zk4withe eye and through which objects appear smaller is referred wk lh4zqid d:q lw3747to 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 8akudx ev1 i;)5 rrh)xis 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 occ4f:ub p 4k k82fkod4hiurs 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 canv. lci+,qq,oan9a-wdfm1i-rse 56xj )zum k9 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 ob no9qjt0/o q7njects 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 to back, the person isj n:a /e8dxz r nf:i(sepsp/x69l,q4g likely to suffer froe ,i: /j sg6rfn4: zlq9nxedxs /(8papm

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually be3rxod*3s/h l2 z vrsm)3yzdb) 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 tol rs3w74g37m bjbm lz+o long from front to back, this gives rise to a vision defect that can be correcs4 lg7j+7zb3mbw rl 3mted 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 person is likely to 3fm2n2 pq ty8 fke(+w ;evx1j2mzll6ksu6en(2pjl2myz 2 ktle;m3f v1fk8wx+q 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 usuudc svd4*x6 1,ppr.jm ally 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 flr1c l55mb5 nmknml pa.4v0t,ront to back, this gives rise to a vision defect t 01kl,cmlnlam54.v5bm5nrp t hat can 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 ab:fk sc+ xd/+3a r5skf 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 asqif(rgt60)kfzln:q xs*f.m 1 5h)tf wtronomical teq (if.ftrh06* fqf): kxtn)gm15zlws lescope 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 9mr qm-o g8mn3hox,p+telescope. Suppose an opaque screen is placed in front of the lower half of the objective lensgnqxmh9 -3mmr+p8, oo. 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 througc.)0j b1 jru*jzi xyw,*nri1yhout 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 o*1c iw.i xr0j1b),jnz yur yj*bjective 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 magnif.ee-3/qos zctication $m$. 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 wokklvuxk70 9w-, )/1g gmj -sm,mtvwsquld you expect to be able to see the greatest detail when using a micr/7twl s k,)m-jgvw1kqgsv k 0 u9,xmm-oscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suf-xvriz*dz+: rozelb2 :w,2s mfer 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 frdi ( j+e q;bj40rmj1yxom

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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; k;b+klv 9r e8xp.;9,qgpb4aks ujzi 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, w4g8d 3fr, )yn xcd3qvphat happens to its resolving power assumnd8qrd3v 4, 3yxpg cf)ing 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 dioptbjiwtjhn)(p giv 3-(/) vc(ayers) will al)(gi bp y )vtv 3n((wjc-h/jailow 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 tha 8nww gd2+.y pl-evq1nn 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front og ln2epy n8 wv-qd1.w+f 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 -g mhyx.dw4n4 7d gmy6x240n el0.15 D. What is the person's far point if m7.l0wx hygn42 gnexy4m d6d4 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 neede 0q7qgapt5 q;hd to correct for farsightedness where the uncorrected ne p;qhag0qqt57 ar 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 reading glfy;lfdvj.728s v. smzasses close to her eyes, and wijz f 8msy.7d;f2sv. vlth 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 ;2k,hh1nt kjg2y 8m ayeyes, if he wears glashkj8mh2a y 1g;kn2ty,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 (qf 9u3ux(a+( yzy ar,xsjsu010 cm. A person has a near point of 25 cm. What is the magnification of the lens for that persox0(z jsy3(u a(uau ry9f+x,sqn 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 n vt)+1 jn81uyd .wfe)a9den fa focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lnfn1vj .yn d fe)dau1w+)89etens 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 7.0 cm. What is the magnifica+7zmq9n 62vi5r vnnection if the image is vnvn297v65rc mi ze+nqiewed 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 asdt jl-uv9xbeiz5zfh v)+ 7)+z a magnifying glass. What is the maximum pos)f)5 +b 9ljih-zdvt zzxv+7ue sible 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 oflc p,l(0sm0/oyn k46h ymk.n d focal length 5.0 cm as a magnifying glass. What ip,old mn4lc6ky/y( .0nm ks 0hs the magnification 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 o oaugy/j(c. 8:lz.kl kf focal lengths 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 is the maximum magnification you couldu8z/kgcylaj.o(. lk: 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 oxstjj8/ yfy ar gq3n) a,zthl3*7q,q:f focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of 7zxjtn8qr:jglqaa,f ) ys / 3*,qt 3yhthese lenses to build a telescope, what 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 foca6e(,px dwgdhte1lyz d:w j1sa1:nba /a+/vl 8l length of 200 cm and its eyepiece has a wtd (:/avehyb j1/ l86wse1+xdlpna: zg,d a1focal 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 witggu,u 4ud9vp(24 xnk wh a magnification of 10. If the telescope has a convergixu2gwvp494( kug n,d ung 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 z5i;bxw7t lfh)mm 6i1 an astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the r)65hwx1f tb m lz7mii;esulting 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. )oz5vdakg h-k) r5rn-k00 a5 cixoe z*If the telescope is limited to a length of 20 cm, whaad-ke)o0krz5z -)xg h55 vnk*acro0it 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 2fw2s + b j3c ;+ctapyos+,zl3ttri; zfocal 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 objecticc t+w+ft,zjr azsibt; yps ;l3 o2+23ve. 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 objectivf3q d.)bn6hp le lens of focal length 1.4 mm and an eyepiece of focal length 2 b3pl6)dnhf .q0 mm, adjusted for minimum 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 with a focal length of 3.0dq7; y.u -8f fb2gxztv0 mm and an eyepiece of focal length 6.00 cm. If the two lense.8vgdzb 2-x;q yfutf7s 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 w gzgm*f/(y7 5ab ub3zu-q jo3cith a focal length of 8.0 mm. What is the focal length of m-zuf3g3ja*/gybc uq z5b 7(othe 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 thy6 g: le ;4w7+5pwchv5tdf jx jaop2t8e constellation Orion has an angular separation of 10-5 rad. If the wao fyae+ p 5c;jv6 dtwg42:8 ljwth7x5pvelength 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 whimhl k2lgxv7 :s0g1u0w ch are 0.010 mm apart. Ixhg00 7m2lk v1wg:lus f 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 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 of 3.5 mm to 1.5 mgi)v/ kt:k17g tu3cwsm as the illumination is inc)cgw/:1 3v7gtks tuikreased. 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 has been placed into Earth ot3*xxvdjr3(i4ulv0d am99 ccrbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is*mvjdd vuccx 9(atx3 lr03 94i 500 nm?

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