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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 isy/.hska lqk 0r:g rkyj- .z3j/ open and the film is exposed in a camera is det /k r3jg0.j rya/ kqk-ys:.zlhermined 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 avp;;n lp8yz 6x 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 camera the 16xdq)kcam m ,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 means thaax cmm1d6k )q,t

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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 wfr( 5 z:fd wi425 y9ts8votst5vwr o6with a field of view that corresponds approximately to that of nosy(vs fr w:9562wftrzoi 4vtto 55 8dwrmal vision 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 magnify images :w/o )n/ l5;xkjo5o3ts aigusmnt3l4 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 theqic8 bo::/6dn-ebu qan that of the eye and through which objects appear smaller is referred/8 :b 6dq-uibec:no eq 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 human elr9rtw*z+ egwk i;.3oye?

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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 i1r9 d3td(xcjry:b - lat 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 y)/m gg5/,lq; qfswnq 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 can see objects c.y0kqen4 1il(o 2f ijplearly 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 lonb pqvlb(*279uai 9 azmr(k,oag from front to back, the person is likely to sufz,9 lm2k(r 9u(q ab*ipobaa v7fer 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 be corrected :(br v4keub0uwith

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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, this7n z6 ydk6 znm0)qkju1 gives rise to a vision defect thakd6qzy17n) z0k6 unmjt can be corrected 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 babxpe)lk+i)+ wz2bo q.ck, the person is likely to sufferwb.2ezl+opb)+ ikx q ) 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 nh*o s:cx v*dn7j):rybe 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 risq3 gxw9 7hcu.z x/vpepx:jm18i(:zo b e to a vision defect that can be j:g 1z/ wx(him3:9expcuvq 8ozbp7.xcorrected 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 magnifying glas cw. z9on4kiamqqv8t s5s+8 e(s?

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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 diamcmbcfu)pbivg(2 s9mg.y+ 4mxf-: 5neeter objective in an astronomical telescepgfyx24b5:g( m i.mbnf)9v c u ms+-cope 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 formedml8r v)hkz3 53nrmlpfz,u4, post75u by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect wm5on p53,3hurluzkmr8,fl )ztp4sv7ill 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 tfj-fneo*4v ,qlaimru.a. 5k t8r( 8rihroughout the visible spectrum, in which of the followr- qira8f5itm4v,*.8nkf rea .olu( jing 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 yri jp-ra0.rp 5gin36a 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 the greate; mwtgv ce5m2m6un tx 45d0qy/st detail when using 2twymmtcmx6 dv4e5 5gn ;0u q/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 sufd9dsoc9dn7wp 2vpeo lmwy5qk o.-*(+fer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufkaqql0w98h9 q1eiybse .z -e +fer 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 l,gty+y1oa:,fq pl vy9;v b y4of a 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 ral c fpj9bxvb2-fl(.v0 dar dish is doubled, what happens to its resolving power assumingpf.(0vxj9 bl 2lbv-cf 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 diopters) wi:*xn* tbm wlr.ll allow this person to see distant objects clea nt:.l*xm*wrb rly?

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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. b)msmy:5w:lb )r.6wgh,i j1 an:hvtjWhat power of lens should be prescribh,)ylmmj::)ht5 bb iw6 j:wgvsra .n1ed 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 have power of -0.15q8qc3w19ni nt D. What is the pecq3 98 w1qinntrson's far point 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 farsightedness where the uncorrected n sm0wn )8j7ut22b t upjj0zb.gear poitb b)jsm2utj. 2w8z00 7pujngnt 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 g zz+h c(ug.cr:lasses clos +.ucg(:rczz he to her eyes, and 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 cav8 0myw9.8mxq g.v mjo4e:gavn read a newspaper held 25 cm from his eyes, if he wears gea w4vj 89o:.vv y.xgmm8g mq0lasses 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 10 cm. A personza qsv(dn +r/ayhuow8, , m5e0 has a near point of 25 cm. What i/(q mnzau5,d rs8wvo+0 h,eyas 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 10 cm. A person has k+:scnf:jw 9m a near point of 25 cm. What is the magnification of the lens for that person when their eymncf+ksj :9:wes 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 magnificath (e0qe8mz)- 2ghlmqgion if the image 2qh em-qmlz8(0eg )ghis 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 magnifypxxm4-fp; b166yll k av; z8geing glass. What l486y6ekx m ag-pblxzf;v1;p is 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 focal length 5.0 cm as a magnikp.r/3f .utmd 0z j.wwfying glass. What is the mag3pmfww .0zrjdktu /. .nification 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.wg*yzro* yh4sq/ , cv.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 could achieve o ./,*whyvy*r4gzsc q?

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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 ) sxqhl/ e2 o0qo cxste*i.)8c2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescopexl s2)o ctc ie/q08 o*q)esx.h, 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 ba/*ph68:s qw mzgss jf d(47uqfjk5/its eyepiece has a fo :skzfsp jdh5b*q8( g 7q/ 46mjfu/swacal 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 astronom 9w rfzx7ykz+pm;p/d0 ical telescope with a magnification of 10. If the telescope yd + rk/0zfp7x;wm9zp 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 astr0 q(5zg(+j ktkkfm) *r id.demonomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm,diz (f)mr.+g mtj 0(5 *kkdekq 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 telescope is limite+xdbsjl/ei gg2k i)-+/: r7djfqpih19dc5p zd to a length of 20 cm, what is the a1)/5 k pdis7d jep+f29 cxgdqb-gh:z+ri/ lji pproximate 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 f)ovsqig 0x(. u8uvm y. 2vh+kqocal length 1.4 mm and an eyepiece of focal length 20 mm, adjusteiuq+x2 )s y.(vvquv. 0gk8 mhod 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 zivzo)g3 p)w( an eyepiece of focal lio))z 3(wpz gvength 20 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 focat35do8yji x2u byu8/ghl h-:n l length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses a/: i8u2uol 5hgdxhtn83 yj- byre 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 focac qlpr*1 41awfner z:1l length of 8.0 mm. What is the focarrw4 1qca n:11lpe*fz l 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 constejv:bxtse ahc+,m6 4 lfx,zmm3)p;k8ollation Orion has an angular separation of 10-5 rad. If the wavelength of the lighteb, jl+864)sh mt,zocpx mvm3ax;: kf 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 which are 0.010 mm )qd tnyjl 8 8t+/+s,nz qku0yxapart. 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 object+jy t t8/us,0ydznqxkn8 )q+live?

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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 x8fav 9vcgp oc6)5 )u k*7dqlrchanges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum ac l)vva 9xrpu75cf6oqkg *8 )dngle 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 5 q jjxo;(y cbkhw;a5ud5*o*ys02zg z into Earth orbit by the space sh;kg *y zjqj5uwhas5c2obo(xy d5;0 *zuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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