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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 ank ba6irp4,z n2i5 sbru:5; jfod the film is exposed in a camera is determinep ajz, f;n554r:kub b6ii2s ord 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 p 3l-se31,r(ly3uuvh pn7irsdetermined 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 sliding t/+2yhw(*wadu s z+a fphe lens forward or backward with respect to the camera housing. z(y*wsaap+h2/ u fd+wIf, 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 that cois1r5i oy 99q221* a;;tvamdisz s imsrresponds approximately to that of normal vision is referred to *iiv;om sz;rsi i52m2d1s9 s9at 1ayq 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 torpu ad1,-8izk 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 covezpg7 zl/tfg40 rs the film with a wider field of view than that of the eye angz 7zlg4 p/ft0d through which objects appear smaller 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 differenf x7cpywe d5b-rg-kz1q4 w;2ct 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 em)w-5a/7w v3 byj*6 myuwk wfr9m)ke 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 whix95 l 4s9 va9hqbo;uzhch 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 .(2nj)bq sfvb 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 likelmaq5p.l q4d, ps zb-(uy to suffer fs-p d. zq(mu 5q,ablp4rom

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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 cokfk i9 pkbd9:kqwn7.8rrected 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 ri t h.b+do yy m.n v3/.pbqto:pz/cx/.tse to a vision defect that can be cmy/c. . tx qo/td+pn yhbo .z./ptbv:3orrected 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 pez r/9nswy49 oyqds7 z12gqza1rson is likely to suffer fromy4 gwa qzs/zzq719ors1yd 2n9

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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 cor g fa -x;swtj*0ju4 f9(i5 u:8c3awxrmmx0rfirected 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 shor hvkfc* il9el:l g6t1c(r4-pqt from front to back, this gives rise to a vision defect that can beqlrl clkf-ht6:( vegp9 c*i41 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+*7(vldgjc* k+ q: xkqeuyu/o a 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 pubguck-pe( +9ttm- * diameter objective in an astronomical telescopec+gt *km- -tepb9uu(p 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 telzw hgo5 i0gkmfy- *e/:escope. Suppose an opaque screen is placed in front of the lower half of the objective lens. W:wg/hoyf z*-0m g5eik hat 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 nyev;e+ s +94hrypj/ dsensitivity throughout the visible spectrum, in whdpj shnyy +ve+/94 ;erich of the following cases would you be able to best distinguish 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 avv5p3g y bq*z/ 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 thhucji,er3 b 55e greatest detail when using a micrrbchu,5j5 e3 ioscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffe o33brzg cnl tk3gs-yo4:mx/ -il;yn7r 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 frofo7oqn 48z9g7kn *g gkm

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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 to the abiliv.f:0w0 xb 1 )r,bcbn gzoiau/n gaw5)lk0/z jty 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 radarulnjaol 7 g7tbrb+c3 d m4d//5 dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged? / cg5luld73botrn jb/a4 +md7Its 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) will alv9 gs0:e xgva7low t0 gavxg9s:ve7his 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 obj,s p 1vrmxgvtf+e-wud6 d/(q x 9r/zu8ects more than 70.0 cm away. What power of lens should be prescribet8 rv+d,r -/sz m( /u1u 6vxdpfx9qgewd 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 glasses whose lenses h,x6 ;s0x 4ivr ccll,uou)wu d4ave power of -0.15 D. What is the person's far point if the glassescl)40uwuli ,r d4;6vo,xu xsc 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 correct for farsightedness where the uncorrected nb l/c ixvj82gi:z4+xe n/ vo(vear point xni/4 /cvlo xib+( jv:v28e gzis 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 perd *cmv8esf ;; +5s lz-vvtfdq/ea-4nfson is 100 cm. She places reading glasses close to her eyes, and with thef8t /ldf-+amqs zv v4 fe;*s- 5;cvdenm 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 newzccwtfn6 o6 ,4spaper held 25 cm from his eyes, if he wears glasses wt46n,6oc fzcof
+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 lengfo5pwdm: 5h: yth of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that oy:pw 5hf5md: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 0y;pifvorghg.1 3 e 0dn mie4refr292a near point of 25 cm. What is the32m2 rep4 gv9i;efrr0.0idno y g1ehf magnification of 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 7.0 cm. What is the magnificaci0wn9+9 q, vl;5 66q:giqbbqgby cwa tion if the image is vieweqb cbq;99 ,gni506+gwqw cq iy:b6vla d 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 as a magnifying glass. u c+9.onz;o ttc /a9u*puii)dWhat is thau9* idccuz)n/ i;tu tpo .+9oe 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 focal length 5.0 cmlgddl 3sve/vr6; +s*9 tg 1piy as a magnifying glass. What is the ma;d 1/* vgp9dyt l+sl36g rvsiegnification 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 j9 /du7uoukv7vjq, tvgt8i-5 lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these ld9g, 5 uvu k/i-8v7t joqjut7venses 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 3t icshu.8,bxfocal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of ts8thbx. 3u,c ihese 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 focal lenj* :n+dcx;dw*dui6oh gth of 200 cm and its eyepiece has a fd dw*d j no:h+uci*x6;ocal 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 witf qjh ltt(90(sku5jy )h a magnification of 10. If the telescope has a converging lens of focal length 50 cm, qufkl9j 5j ts0h y)t((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 as)0 .q sipotyr1 v3vd6 b-r:yyitronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is .pvrrb-td 1yoysyiv0 )qi:36the 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 is limited to a lelzd rv61 8/f6ywkod -ongth of 20 cm, what is the approximate focal length ofvwoyzl86dko 61r/f-d 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 eh-cvr 5 ;0ql5 qprxf5myepiece of focal length 20 mm, adju0l;xh pq5qcm-5r v5f rsted 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 and an v11)d d nycci3mcqm1*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 magn 31vd qyimc) nc1m1*cdification?

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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*p2/xcqs5v-q8 ghq7nokltj 9 an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses ar98/h5 7lcq-gq*qxpo v ts2jnke 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 wit9d5,gv hdxagp( v. a2rh a focal length of 8.0 mm. What is the. g5 9 ahdxvvpa,(d2gr 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 ip6x (u)*c a5 qsfbbv,vn the constellation Orion has an 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 just resolve the t,v)uc sb*(5fb 6pxv aqwo 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 resolveczsj/3 y)o xk4lx r3:w objects which are 0.010 mm apart. If the focal length of lx3zxw/or y)k3:j s4cthe 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 cpk7xq5p.virg, w.x2 r)gwf:whanges from a diameter of 3.5 mm to 1.5 mm as the illumination is increasedvxfr)k ,p 7.5 wgxg:pi2 wrqw.. 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 6b5e3lxc 4dpzinto Earth orbit by the space shuttle.x64lbz 5p3dce What angular resolution could this telescope achieve if the wavelength is 500 nm?

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