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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 exposed in a camera 7 , z2p8xbes5jwxq2 ffis determined by thee2b, sfj x2q8w5pzf7x

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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 filpdmc9 6 ,e-em s*nsfp-m pd24tm in a camera 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 cd 2uid1xb3gr n,wz og2d;cn87 amera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with sucdgd ,nic82z;7 3 d g2bunox1rwh 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 6:- p (y5egorv/ma-ierm0lerfilm with a field of view that corresponds approximately to that of normal vision is referred tmi 6-r 5(:y/eeog- lvemap0rro 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*3 h0cc xirnk7 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 wi+k:/e, d u)fhb bgqd2ith a wider field of view than that of the eye and through which objects appear smalle hi b,qd/+u: kdfb)g2er 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 different from the jw5swvai +)s60zq w;():lyg cktfc. shuman 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 ( em2b: hrkoa5a/*kpq 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 can see objects clearl1cmj6f+ mr5ob di( lj1y 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 clearl8;fvpxx+s3y 8 k vba*ty 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,/ 7 rh s-m9h:/r/egcgojo7aun the person is likely to suff o/ghme 7o7crrag9 uj/ n/h:s-er from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can us5 asopsgtew g 0z,o0)40-kgaaually 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 is too long from front to back, this gives rise to acu;tnzk2:fvw rj1) 2w vision defect that can be corrutk cz2w: w; fnvr12j)ected 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 baq*n kfv:gyv db2 v;7z7u2 doj0ck, the person is likely to su*z :f2gnqbvukvvo77y d0; 2dj 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 be corrected wfd 4xbbe(7cribr:. 6aith

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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 0fk dgs:)lj hxo9hxb zcph/+2,r 3w 7dgives rise to a vision defect0dbckgzxjro ,h+)/ 9: h2lx7 3wdhfsp 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 magni2tk6vfokb//yg6bib u p2s1k 7fying 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 usinc8q;/ sump)awu:xo :xav j 2:sg a very large diameter objective in an astronomical tel8xwvop:2/sq xacu:amj;)s: uescope 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 rtm+ ( rr11xv.kaav;6mudn2alefracting telescope. Suppose an opaque screen is placrt+rv 6u 2xa m(;1alamd.vk 1ned 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 h:xs u.ml3.o6m+b 8feyj mh,nuniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely space eo63smmy 8,.ujf: nlm .bxh+hd 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 magn 2k prr,d2(j6kes.x hi .)qtgcification $m$. 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 greatere/p3-o2m dks r;d: hbst detail when using a microscoper r:23s m-/dpe;hkd bo?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer uty 9r 4/chetpg+3 us7from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fro 1qniu./ 4d*t,8*kj7/gnolhcgv sntmm

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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 refery,9i) t7er9) hxwug xxs 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 dof1d8ok9q5prv ubled, what happens to its resolving power assuming that all other factors remain unchanged? Itsvd5 pr9f1koq8 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.ta 4 ibe/zk4rt3bp n; has a far point of 18 cm. What lens (in diopters) will alloz ine/tbkr;.4pbat34 w 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 oyfn; h8bx+cr ;ycx/9) eem .gfbjects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of the n9y+ecx.m; /f xyc hb8)g ;freeye?

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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. Whmwy u.n5g+d.c3p)v 5zmd fsg*at is the person's far ppg5uy)mgm5 d *3.dvsf+n wcz .oint if 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 needed to correct for farsightedness8b+54 vw9g a aja:o 5moeqp(cc where the uncorrected near po5vmcp aowe job45a+c89: qga(int 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. Shef-ugo, ka 7rjnm-m:5d x dfp19 places reading glasses close to her eyes, and fr9d 7mu1jdm5-, kf: npgx-ao with 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 x fbbwdsz-wb x c 081xil3gw,da05 6p5a newspaper held 25 cm from his eyes, if he wears glasses o z ,d-d0bb 6w 1clpf5x3wxa0gi8x5 wsbf
+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 frnumm8q 6mq1i4 l, hg4t;m3 mbocal length of 10 cm. A person has a near point of 25 cm. What is the magnificatm4bl 8rq gt ;mmu63n, 4qmimh1ion of the lens for 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 a near poid ,u,)or87ss ugmz9kn bq4oc9nt of 25 cm. What is the magnification of the lens f,o ,bouqskn479s8mur zgc9 )dor 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 maq394tcn0r 2w.1 xlcw9i hyblo gnification if thc trlw309 c9hiwboly24nx1 q. e image 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 of focal length 5.0 cm as a maxnjex1s(d (2egnifying glass. What is the ma1 ne2(xx dje(sximum 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 ,ux;gd:bquax gk+olr b(:pai 3*m;2q focal length 5.0 cm as a magnifying glass. What is the magnification if the person+;;:irauq:xmb o*a(gbl, x dqk up23g'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,uvp-rh x-3xf, 8.0 cm, and 16.0 cm. If you were to uux -x-vr3, pfhse 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 lengths 2.0 cm, 4.8slcviqg(kfe bs*zv;2t.fdu 85i: / l0 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 separavf*ku itsc 2ild;vzs:/e5(q b . 8l8gftion 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 focalmk4lwn.(lse w +,lejt; y,b6p length of 200 cm and its eyepiece has a f6.b+llmpe4yt, ej ( kwns ,w;local 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 with a magnification of 10. 7ol z -bn*bye)If the telescope has a converging lens of focal length 50 cm, what is the focal lengb)e7*z l o-bynth 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 telescope wi)ikpd2nuoh )9th a magnification of 10. If the telescope hasn)d9p u2ohk)i a converging lens of focal length 50 cm, what is the 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 telzxt .k)a5(q))bb klq iescope is limited to a length of 20 cm, what is the approximate focal length of the o)k aiq) qb.kl(bz5x )tbjective?

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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 la 187 4 ue-h zqpvlv)0tjv*dueens of focal 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. How far apart are the lenses?* euz-vl hpea)u 708tdvj41vq

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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 mmfz h 2(w5y.ed;b6gqlg and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample isg25h;ewf d6(qgy lz .b 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 ; qaqiyw . k4va3hyu.7focal length of 3.00 mm and an eyepiece of focal le7yku aw . vqi.4qy3a;hngth 6.00 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 a 18-cm barrel and an objective with a foey,+qk ..c8 :ki rqhezcal length of 8.0 mm. What is the focaleqkzr .ci:e.+q8h, yk 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 angular separatiorsr/um 3zg08/4 qftion of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the o4u8frsrm/z i3tqg/ 0smallest 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 resoyhe2zc3 ; .rxclve objects which are 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 o;xc ezhrcy2. 3bjective?

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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 mij3 * (za,: rfxgjzf5as the illumination is increased. By what factor does the minimum angle of resolution chanm :3,xffzjr(*5g zj aige?

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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 orcr9c jw (.xq;y:9ker 1l2i kesbit by the space shuttle. What angular resolution could this tek;c 1j92 c rki(9x.ry:qlswee lescope achieve if the wavelength is 500 nm?

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