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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://51fly.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 120，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://51fly.win/test120.html  教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 游客未登录  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 fil7n8kb za l.ua)( j06khhzs -iam is exposed in a camera is determinabkuala)z8(-60 7kj. shi h nzed 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 determined by the-hf+-;fbaiv5h2e s v 8d 11pucdpek3s

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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 by3*f xstap+zrl1ah1jc m 7q :ro.w48):px xmdh sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture isrxxq.adpor*+3m a:zl c1 p7fs1hxw ht4): 8jm 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 thib+0*frw* :9ffa yy/)5yx wihxmt a:fat corresponds approximately to that of normal vision is rw5f /wfa)fx9 yyfx y:mr i0bai+*t*h :eferred 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 imagexwki0 pp4t l:ajt8 )c7s 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 f-ny(hltv (xbd)i5)8fzc2e ve k4 3gwwider field of view than that of the eye and tlvhcdff(ktyve- xi(2e853 bzng4)) whrough 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 diff lpit1 /o*kym,x bpd:2erent 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 bu dy,y +a3ipdt.tgu nlvq/cyd;w0 j 4f3.m0c )y 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 whp00 p+ 2kz0fuu(:q7h* musehiah sak)ich 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 whiw:5yzzx*x (a fch 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 perhg/ij ie,g *px7di.;e son is likely to suffere*ph gixi ,d/ge7ji.; 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 cor+f-wwhj7qp bl 8vqo01rected 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:usne x+x d4oqu0mz 30o 2m6kj gives rise to a vision defec nxjoqu:m4200xs mu3+ dokez6 t that 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*o h30rz*gvvf to back, the person is likely to suffer fromv z30* v*forgh

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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 witz,1 ;lc9laywph

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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 rise to a vis w:; d3 ,up-.xq; bzh03h gir2khezrinion defect that can hdhir k23u0p; ;,gw -b.nq3i zzexh r: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 magnifying glarx649 v nc/glgoza 2uc)t,+cx ss?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason fs*02hv ku yb,tor using a very large diameter objective in an astronomical telescophk0t v*by,us2 e 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 fb )0 vd*yxkxk-ormed by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will this have -xvd*bky)0 xk?

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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 sensitivity92gc :sfvp2qx throughout the visible spectrum, in which of the following cases would you be able to best dist2xq 2c gf:v9spinguish 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 z +f/ *awn6qyki2)p7sjshk m5has a 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 woul d0pv3l6g9hd ce+2oawd you expect to be able to see the greatest detail whe0 h+36lovgdwc9 p dea2n using 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 ua-jlchk; n+ zfj;w-4 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 frohc1z zval5tui-m0w* / m

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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 abigd)z1a3p7 tz ,zjr ;tq-:rm yxlity 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 happens to its resolving p2rtmed,. fv)q ower assuming that all other factors remain unchanged? Its ,ed)qf 2vmt r.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) 7 qam98(: m xycytl 4aq4wo7hywill allow this person to see disty :8omyq4h(cwt7 x7 lyaa9mq4 ant 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. / a teulib1 :hy vncvox9xw8x87* .hn0z*0zbe What power of lens o*ye/xtbz h0xui79z1*n :v c88vwea.nbl0hxshould be prescribed 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 -0.15 D. Wha ksknr*da.5m vk1yun, z ,g1pz9e 8fs0t is the person's far point if the glasses are very close t5zy.k ,n9av ,*f zkd8e k1r1gm0susp no 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 uncorrecteda4j+ud -z.3 qu(ao gok near point isz 3 gk4o q-j.ouaa+(du 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 pla9yo+cvwr bdpg6hr*5 3ces reading glasses close to her eyes, and with them she can comfortably read a newspaper at a diw b5rvchrg3p6o*+ d 9ystance 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 f+/a-zr - ;zahzj.awchis eyes, if he wears glazah jc -zzr+;wa-/a.f sses 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 focal8dheq / fag( 9o7zwa oie52qm q ,aev2v824jsp length of 10 cm. A person has a near point of 25 cm. e q7o24iaf8g5q v8o2 wse emazqj/ap(dh ,v92 What 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 afe9 b,81duuu j1vz :zo focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their near1ue :jzf8vd,ubo1z 9u 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 cc-o) oux9 r s sd:bet6w/+w vpg;+oxf4m. What is the magnification if the image is viecbrvp4/:+o w e9 dsu6t;oxgox+ f)- wswed 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 ovj:qnow z0(hp (tyo hh72zs 60f focal length 5.0 cm as a magnifying glass. What is the maximuhpotq(n( :j6y o hs0wh2zvz07m 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 sjr:yyw1, s9kit9(s f 5.0 cm as a magnifying glass. What is the magnification i9r s kfsjti9w( s1y,y:f 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 cmyjl q-xl;hd+- yfip 6 dz- .;/j2qrvlx, 4.0 cm, 8.0 cm, and 16.0 cm. If -yxqdv6xrljd;-2 l;+y.hzil/ j -f p qyou were to use 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 len+xb2sw8x0vp7q xl clz m7p 5i5gs)jx2 ses of focal lengths 2.0 cm, 4.0 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 separation for the maximum magnificaxlp8 sl5ip)m02sxvwzc7j 7qx2 5+x bgtion 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 s)+ nd)w8ddqae h69x uel9(vb x3 zig4cm and its eyepiece has a focal lenge+ niuz9 glqxbhdx)v63s dd(4)8 e9wath 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 magnif uut6,v6kz m0qg)fx j/d jh27gctn3mw., k vu;ication of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length ov,x ttuk0;mw )/q7ug62cj. 6 ufzvg3 knmjd,hf 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 with a magn(s0./ -la9 mm floygpkification of 10. If the telescope has a converging lens of focal lengthlym/9smg0po (- ak .lf 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 telescope i(z2 v cw6yq,b ghn1)nqs limited to a length of 20 cm, what is the approximate focal length of the obj)qqzhnb2 (6yg n,cw1vective?

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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 om5g0 yvr nq),b..etklens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is pla0m.o, gt5eqk nybrv.) ced 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 focbr * z0wrog -0oes,6jeal 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 jworg- eos,*0e6 0brzoverall 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 focal length of hi /(+zt4lv(x8ehe p+.ez ui a3.00 mm and an eyepiece of focal length 6.00 cm. I p( + 8e4xehvtza(.ihiu z/e+lf 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 wk5.:nbh rsflj7 tt7)with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnificatls ht:5b.tfwr)7k7jn ion 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 angularvt c4vkq (vhag66 v26j separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest acvh6vtv v62kq 64jg(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 apy 6qxj g rv8gy4cw:33bart. If the focal length of thewbgv j6 xy4ygq:38 3rc 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 changes from a diameter of 3.5 mm to 1.5 mm hpwm h9 jh7:obt;4,b oas the illumination is increased. By what factor d :t7bmb4p,hw o9oh hj;oes 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 inteklisl:8 4q5 frk,b44z ve3zao Earth orbit by the space shuttle. What angular resolution could this tell84k f:el3v 5,bsz e4iqzk4raescope achieve if the wavelength is 500 nm?

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