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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 exposedl: uysc)bm.k 1q/h )ik in a camera is determined by t)1scmukki :bql/ hy) .he

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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 camernf ,b;*jprkr)cq b /*oa 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 varied by slidingrcjvu; bed pnu:1)+c qi r1p4( the lens forward or backward with respect to the camera housing. If, with such i;+) (vupej1q:4drnuc cpbr 1a 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 that correp: tskqf7v9 6zmv np) 85x4rzqsponds approximately to that of normal vision ixvpskpf48rt z9n6 z m)q5 q7v:s 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 magnify images is ref(s769+ +mci e xl1veion8mzmuerred 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 f bmruq( gwhq xilud58+,o11,hilm with a wider field of view than that of the eye and through which objects appear smaller i+q5q(udi,xl1 8 ohm,wbg r 1hus 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 cameray rbwk3z8p9dpi9 ( q4f 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 occurs ad( y big(bc-)st 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 whif6 ,gblioqi 2*cfjw( q4tq*:f qu0 vgcz:a02och 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 whicvfc,p4io h-bq /2vypj :44 thdh an 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 to back, the person is likely to e929kru g pil-iq j5n(suffer frogr pj95n- q9ile(2kuim

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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 corrected)t*w*zjyanj . 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 bacjigu d ;4x:fk5 j0g13xfcz dh8k, this gives rise to a vision defect that can be corru1cdz xxi:4jg05 fdjf3kh; 8gected 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 ehgr 9 vq989qy3 -(n* l4mjnqmt-punk s9*cabto stn 9gh qlenn8map(c--3*mvj9u b949ysrq k*q uffer 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 r x3il93o2cb fk3 gwc05g+u(x9a wqyf 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 9:clm2o5 )svxly 5 msgb.t0ujrise to a vision defec x255mys mgl 0tu.)cbvojsl9 :t that 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 a rbaznnc ki(k)f0:u0 pa) lo* ;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 astronovdes/pu9 kh6 zivt 4(3mical teles/6z3hi9ev4vsp u tk(dcope 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. q4h.*;fiejl r-s;mt q Suppose an opaque screen is r4;th;em qqjsfi- *.l placed 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 the 3zanlx7 - ctxt:wq;xx)vk p:0visible spectrum, in which of the following cases would you be able to best distinguisaw0 xxlk3x;: vzx) p7q cnt:-th 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 a magnification(crc+5t08s e phc6j. samuh;a a61eex $m$. 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 d3s grnh+n ,ws0/hy+-hsc zm 0you expect to be able to see the greatest detail when using a micro,+zsnh0m/ +3s-s0 dgwcrhn yhscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff7ly vnydszt yu 80 jfo;;2:uw-er from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffi-57sm y) qrqpjq8p (yp y(iv2er 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 red8s+lunw6 j z(ah(v *efers 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 h99u)sd ))gxko: d7ml gqh2kchappens to its resolving power assuming that all other factors remain unchk 7)2dh ) c 9om9lgghd)skuq:xanged? 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 5ddkgrxult2m,q(;/ s lens (in diopters) will allow thisgmr5 ux/d2ls;( qtk,d 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 away. What powe-: zzmfqv/de3nys/to 7; -h thr of lens should be prescribed if the glass is t dqt7hf-h/o: zsz-; /3yntm evo 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 glasses whose lenses have power of -0.15 D. What b9 h;b zzttypjf/,+c5i (mzujpai825-zq.rb is the person's far point if the glasses are very ta burfh, jbt5i p2 /y z+q5zcmbz(;9j ip.-z8close 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 corl) wy7fx m-d)sbi*p: yrect for farsightedness where the uncorrected near point is 75 mil :f*b)ywp s7) -xdycm?

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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, y31g-6njnqd s5gkfs. She places reading glasses close to her eyes, and with them she can comforta6 sgn3n qk1syjgfd, 5-bly 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 eyes,i.vp yy mxv+ ixb;qr:w+5+5tp if he wears glassetx+y5pq+ i. x5w+yip ;:mrvb vs 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 l 6/ 930tk 4zlno-fzh cc3lqyklength of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens forn0y lcqklz/zthk lof 43- 396c 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. A person has atdbs2k6mhrs+*2+2i clyuh +p near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their n+lhs r+bs d2c+6mp u*t 2h2kiyear 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 o-q (kkd.g4lo *xol(e the magnification if the image is vie*o- l lqok(g(.kedox 4wed 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 conver,se4 t qs.wbo+ging lens of focal length 5.0 cm as a magnifying glass. What i+so,q swte 4b.s 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 focalbfpa :)hdq1r t*8y3rcl55j j i length 5.0 cm as a magnifying glass. What b5ldypc ija8tjq :f rh )1r5*3is 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 of focal lengths 2.0 cm, 4p7vsk c.:yxbza46nd96n n+y x.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 maximx d 4nnsbc.69k+yxap y: nv67zum 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 lengthvk4j0s.dx+ c8d/b u0ko7gzl ( qtcb4ss 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these le8( outk/. d7v q0jslc4bs ck+0bx4gdznses 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 focal length of 200 cm and its eht-c,g1amrsr 3j tu5 w( ph+-pyepiece has a focal lehm phr5s+-1j 3tu-tg,c(apr w ngth 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 l z7**j)nrdipr9tc.s ay*i3z of 10. If the telescope has a converging l7 ijrdrt9laycni.)*3*z z* spens 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 telesc ti hixbhp*c,f-otg)0* -9nijope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the f0, g-t h*hxii*bt jp i-o9nc)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. d )8wx4j sw;vwm..wteIf the telescope is limited to a length of 20 cm, what is the approxim ;..wwwetvd 8)4jmxswate 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 eyepiece of focaqtbb362xvw xq1w 8-uw.q6lial length 20 mm, 3uiq61 aq wx8x2w-l6 b.bqtw vadjusted for minimum eyestrain. 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 a(lmejpl n v ay87-;g4/qc .icrnd 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 mq4p8cc- .nlymv;/7ejlair (g agnification?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope hasj uf5-wugps;8yed1+ m an objective with 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 cm, what is they;dpg5 1 efumj+ w8-su 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 with a focal length o v ge)2- rr9fdxt1vv+rf 8.0 mm. What is the fort r9vrf+ e-gx21vv d)cal 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 i159y cr2 c x qxrehs.;/)svevsn the constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm,21rcceer)s q.vh s v/5x9y;sx 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 objzdce jka6i1hp6;nq tng.j/+ 4 ects which are 0.010 mm apart. If the focal length of the objeczgend k aq16+ph4 /6cj.i;jtntive 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 p)vx t7cz;d dhrtr:-4(e f5on diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution chav4dht5oc7rd-ntxr: e (zp ;f)nge?

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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 Telescop/e7fky*v(. ya7 b nlsn+hg1bqe has been placed into Earth orbit by the space shuttle. What angular resolution coul 7.y*+y7hfbbe( v k/n1qsgnald this telescope achieve if the wavelength is 500 nm?

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