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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://autodiscover.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://autodiscover.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 e/n n9 n-a8ada*wtgof/6lir-shutter is open and the film is exposed in a camera is determ*-rdaof a/ nl- 896gtwn/aeni ined 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 reachin8bm3- ij5dotny,25z .tabbr1eb .utrg the film 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 camera the lens-film distance may be varm( :jsi-x1; *yo uom2d(fmuocied by sliding the lens ojdc1m fy imuo-m:(xu*os(2; forward or backward with respect to the camera housing. If, 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 win(.w+ik9w 0k7 ik h3usvc+ampcq q;+kth a field of view that corresponds approximately to that of normal vis w;+k+p 3aq9 +vkki qc(hmcinu0w. ks7ion 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 is referrmdi*. vz;kpjyjyv57 ; ed 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 than 6vobwbiulr-4 s lq5;3that of the eye and through which s 6bil 5-ow4qu rl;bv3objects 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 different from thf w-rdtv,- j7 ,(sybhxpa i*ie.dvhbm6b y(15e 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 liperq(+17 )fr j6mlsk9rhm 5jeght by 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 anx87rq pu )+dp(uz1fx.ux zx.z 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 clecy0:wjzlme6 wzhf4,ic 1g.j - arly 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 9o:h2. knty o.5w: icbf u,smim4 wy0rlikely to suf. 05,nu:ft2w sm4ry whmi ibk:o.9 oycfer 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 with90l0 oz7har cm

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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 risgz.x(ui 3kgn hgu,1f 0e to a vision defect that can 03xfn.1iug g hk(uz ,gbe 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 fxv8o o:+9,iifbx jn, erom front to back, the person is likely to suffer f89ineob:jx+ixv, o, 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 bee(+hj9 3a8,vozz cw jl 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 eyeballasgstsy/);)t p 53bio is too short from front to back, this gives rise to a vision defect that)aps t sgtoi/b y35);s 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 magx27ll nkg. -m7s2toqanifying 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 diameter objective in an astin:z ed vk*820.0 r0wivwmvreronomical tele28r.*v k0dnev0ier vi0: mzwwscope 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 fo:az/5 0r sl4flqazm-yrmed by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effls ma:q/4 0y azlf-rz5ect 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 sensitivity throughout th1 lmrq9 -qe/ydj- rirw+l,s t*p/.bnde visible spectrum, in which of the following cases would you be able to r+bep9 *.dly-w m /j 1 tr-rnsd/iq,qlbest 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 my r5vlj:0fls,c0c:u-q pg.oa 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 jccwb83 h*+ex able to see the greatest detail when using a micr*h cwx cje83+boscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fro0 v+x:j )kb ex2.gzizom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suo v9a3 u3v)dnsffer 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 of a microscope refers to the ability/aqn/l 867afci (4jixzel md3 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 reso tklwqk.o gi:03uvo.+lving power assuming that all other factors remain unchanged? k0 :3ukli .tv+qw g.ooIts 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 ofs;d *,m 1qx3rsw 0qgrx 18 cm. What lens (in diopters) will allow this person to see 1x wr x *s0m3qsr,g;dqdistant 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. glha +e2: a22+yrjvqkWhat power of lens shouk2l:+ahr y2 gq2v ja+eld 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 /db.-decj ml6 have power of -0.15 D. What is the person's far point if the glasses are very close to theld-.bd /jec6m 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 ne jh 1hm,zs+s4)ky9gkjeded to correct for farsightedness where the uncorrected near+gk,ssh9 1y)jj4z mhk point 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 gl1fucy :a gi4 b2/.maawasses close 1guw/ .2:myiacab4fa 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 can ozli; 6wmug0mp 1+qad2vk*;*bfha x 2read a newspaper held 25 cm from his eyes, if he wears glasses alpxo1b;qzg 2aw+6kmm v*i*ud;0fh2of
+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 1q*sho32 *nrr2, pmwff1j7v3s cy /s 0bb;huf g0 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their * ;1 v ho*2bbsqfsh rgfu,s2/jny73rf3m 0wpceyes 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 n oklnq4l645u )p1 hjbuear point of 25 cm. What is the magnificati)1bllk4nuop5 h uj q46on 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 the8zy/v) q 6npxg eu)17ha9)jdi pro5xd magnification if the image is vie51 dxghpdz)vnr7j/o 9pay q ui6 )x8)ewed 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 c*c spg5b/qj* g0v 3asnm as a magnifying glass. What is the maximum possible mascvqsgj3g**na 5 b0p/gnification?

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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 fo.l5flow wg*x7cal length 5.0 cm as a magnifying glass. What is the magnification if the person's gw*x7w of.5lleye 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 c 7d: 0jl,vr:uqatcl o;m, 8.0 cm, and 16.0 cm. If you were to use al:ju0 :ov,drc;7qt lany 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 lensat/i)e 7 sepz1es 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 sepsi17a /ep)ez taration 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 ha4 .iw4snsx;a;e o0bt xmw+nt(s a focal length of 200 cm and its eyepiece has a foae+; s4o4;0 ttw x(xnw.nb msical 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. k y mmws(dwcte0.,,r2If the telescope has a converging lens of focal length 50 cm, what is the focal lengttr,mw(k sye. mcw2, d0h 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 r.s yuduqca*whcdjdk 60 0q,(ab3)8 etelescope with a magnification of 10. If the telescope e0.qb 6cdw*ad3rqk)sc uu8 0(hd j,yahas 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 telescopen)-. 91y kz uiw:(;rbn bhfztu is limited to a length of 20 cm, what is the approximate focal lengt tb;- .(b1) khn:nzriyu 9uwzfh 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 focax7oazyi3nzvofl q* :aj4/4t )l length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample i4n lza/:ovfza y73o*q t4xij)s 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 a, ot10h)fzv-pj nyr (wzy9ae7nd an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is h)e1 9zwr vpn0yf(ta y-j,o7z 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 fo1:gx s8 cqqf 0won(x.ocal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, wx ono .g:qqs10x8fc(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 ang i2(t71 wn: 2vepszbwd an objective with a focal length ofw eb2 :p(wz2vin tg7s1 8.0 mm. What is the 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 has an angular se/dahoddp kgw 0j516b+paration of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that cbak0gj+odh6 p d1wd /5an 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 hfy3;9eqv; dv which are 0.010 mm apart. If the focal length vv ey3h9;qf ;dof the 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 80ktahh,cp x5nq j7y: to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolutqyn5 h0hj 8cxtp7k, :aion 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 into Earth orbii1 :rjw .,mktzt by the space shuttle. What angular resolution could this telescope achieve if the wa tziwm.r1 k:,jvelength is 500 nm?

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