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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 v7-j1 u9xiqkp:e+ib, l7 pcsbis exposed in a camera is de7qxksblbp7 ujp9vc+, i1-:i etermined 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 camer 9 i1m,l)yha2uwzj3lja 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 lens0j1l, n3f-yw2wurfw 7 8tm tatq+jiw4-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with sljuwf7w 3yrm-n + j fiw48ttqa w1,t02uch 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 corresponds approtm a7, c,g4dwyngcyzc:,h*- hximately to that of normal visio h7zycg gd wm-,ath, c:4yn*,cn 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 to magn a6hw+s6f - ks+x7cwsaify 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 filk k/ s3.bex:3fnh ru)sm with a wider field of view than that of the ey: uhe)fk3sr.3 nkx sb/e and 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 dz94pi l9h-k*/ bvqzdrifferent 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 b9q- qt.iit00 k6bm wksy the 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 which an +irzsw)-)zg. mn( b wp9dhms8eye 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 can see objects clearly lrn.xrso,i:* 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 f1 3-s qgiml qgct*i5 cm4+tu,w q7+lliront to back, the person is likely to sufqc375q wi+ l gtmitg,m-+4slc1 ql*iufer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually(my 1mmbpya;0ud3 f (h 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 ahmb 9 .tmp yd9/9k0slb vision defect that can be corrected ph.mtbm9 0b9l9ys/k d 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 i95smolk x 9 7qa,k.tois likely to suffer frsm aqkk.oo5l79i ,t9xom

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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 wu em6-te1tc(g ith

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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 fro1vj n vmzpi*e9(v xbjy5m-(w6m front to back, this gives rise to a vision zm jnxpy5* ( -b9i6w1vmejvv( defect 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 mab,rygnz.td6 * s*l p u,hyzt:+gnifying 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 i iw*csn7dx2-using a very large diameter objective in an astronomical2-7dxniw csi* telescope 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 uqq k22,(jgxl by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will tu2q(xl 2jqkg, his 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 throu5wnpqt 5eb,fi;oy+dp8pxx3x pr3(7x ghout the visible spectrum, in which of the followi,7tx3pw+(pi e qndo x55rxy8fpxb; 3 png 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 a magy.+ix* u p8lsbnification $m$. 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 theey:k;9kumi 2k greatest detail when u ik9e;yk u2km:sing a microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frddw,t4st4tz )hf+kp 0,;njftr bo :z 4om

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fr5jq(x:(syo ql4o;dlsl 0w6e jom

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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 d +x*3wjta0cca u;e+fa microscope 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 radar dish tp yg6+om:eh5 is doubled, what happens to its resolving power assuming that all other facmp: y tg6+5eohtors 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-j t7a z,hr)km cm. What lens (in diopters) will allow z7r)jkh,at-m 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 morgrp.:gp q0fd)n nl+,oe than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 0+g g.)nqdl po: rnp,fcm 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 wearlp2fe4i:h m2ni7o 2tms glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to the eyeh ipm7in2le :24 t2foms?

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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 dy(w 5-hsh +fanear poisdhha +5w(y-f nt 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. Shogfkz;/7jgbn 6 k49dce places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. Whakj64zk 7bggo 9/dfnc ;t 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 hil /vhf 3z;)js w7*dqcjs eyes, if he wears glas/d) zf7c*;lhsjv qwj3 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 fb 8 ;qk6 bq:snu)r1tjshh.s.q ocal length of 10 cm. A person has a near point of 25 cm. Wtbn6h:jrh qs..ssqq 8;1) bukhat is the magnification 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 sq(5 yoa z lq/;31psuc10 cm. A person has a near point of 25 cm. What is the magnification of the lens for thatyl5sqoz(as3u1p qc; / 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 maglmw3bisf :h-iqa77b 6 nification if the i6wibqshf: la7-m3i7b mage 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 magnpq zlcd +ji40cl: m53vifying glass. What is the maximum possible magnificallc05d q3 +4vjzmi:c ption?

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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 magnifya; nh2w nuyv1pi 7y,s,ing glass. Wn pah;vy 7s,1i 2nwuy,hat is 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, 4.0 cm, 8.0 cm, and 16.0 cm.6-vg qw iku1sxy )l*o9/m1sky If you were to use any two of these lenses to build a telescope, what is the maximum magnification you could achievewssx k9v)61l /- o1kgy myiuq*?

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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, 4.0 cm, 8.0 cm, andbyd6;jg)uljgp d v4 8; 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens sepy;ddj4l;u )6gb 8j pvgaration 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 telesc;8oahaupp e 8(f.st;q ope has a focal length of 200 cm and its eyepiece has a focp8h (8 ps;uo.af tae;qal 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 -io.k+e /8 qux: 9 c,tqwpndxdastronomical telescope with a magnification of 10. If the te.8pu xxked w9:o /d-+ict q,qnlescope has a converging 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 an astronomical telescopexz5l*p kr(n xzol- hr. n1ln9, with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telesconx h.ln l9pn1rl(rk ,z-z x*5ope?

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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 leot1 +/4pv .mx i/roysfngth of 20 cm, what is o py/mo14vrix . /stf+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 andiyg iu.hvj/j 7q lk:5, an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A bloo7/q.j5vgkj,ihy liu :d 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 lensqq+h;tf 0gsz- 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. What is the overall mgf+ z-0;htsq qagnification?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope h/,+vci 9ce ttuas 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 the ttt9,ec +vu/ic otal 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 188qqju2) 2 fhsy-cm barrel and an objective with a focal length of 8.0 mm. What is tq) uqy h28s2jfhe 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 hiq4)xe 1)eboa++t,uc 5gla lbas an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diam+b4 u )a)ageb 1x,oeqi 5l+ltceter) 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 ;vxl)15+al n th3qax*ma8j ( xsnc)us 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 diam 3salva5xj 1tnxl)m(s8*hqc)u;x+ n aeter 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 rnmlwgdtgies h; m 8/a10c14q-c*1 ata diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution cha/qdnc h1i18 4e1;a m0 ttrmgslacw g-*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 Telescope has been pla7-ap jb;xdiqfb v03(q ced into Earth orbit by the spacfqq0bj -3 a b(i7dpxv;e shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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