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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://autoconfig.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://autoconfig.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 film is exposed w::dg zlk:e ja8fng:( in a camera is determi:aj(n f:e ::wkzl8ggdned 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 deters+ xmh4mff(d0i7 t:mkmined 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 camuy6 h6 g /e-k++bhjjld7ogmx.era the 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 picturgy7+m 6 6 jde/gjhhxko. -lb+ue 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 appro1 1ukxf)ruc y2ximately to that of norma1u)r2yfkc xu 1l 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 imagg- 5 vrn39;9 aurqgewies 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 f/n(hxtih0 3jke;c kcz- t -t(jield of view than that of the eye and through which objects appear smaxtzckt0(nt( 3 -/ cei;h-jjk hller 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 differenv c;iugd4 s6j/t 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 wid+my76js:g6 c )sixlight 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 an eye can see objects y :dlno-lhz x8ia,))e 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;o8* iiocpc q0 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 be+8qdwsza4 thn 3b5 x qs;f//person is likely to sufferh/adt3fq 8bs+x;5bsq z enw4/ 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 corris.o 522avi :utt /svmected 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 tvq86 3 lomvpoh 0y.o(yoo long from front to back, this gives rise to a vision defect that can bev3mh y8(0 v6 .oqolyop 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 eyebalc 1csgv8,pc nuhc h0++l is too short from front to back, the person is likely to scunvg1,hcc+p+8hc0 suffer 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 witf:sgf6 phqd( e:-w6z38i idv lh

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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 sf,irm0wt3+yg9p 168 w vx*lhx0dpmwto a vision defect thatxvwg08 961 xrt30mpwdfsw* hi myl +p, 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 magnifying glass?zp yxv a8/w gt59 ipi/um31*5 g9yqztc

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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 astronomof 2u xa d1y v9y0qnuiki2.95eical telescope20xi2yo.qkvn 9 uy eda159fiu 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 refracting telescope. Suppose asbpj zyuv;( yc6e waf 05rw r)k:3+m zyo9-j.dn opaque screen is placed in front of the lower half of the objective lens. ;s:j vyfrwm0zer6wpjcb y9k.u +d)( a5z y-3oWhat 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 uniform sensitivity throughout the visible spectrum, 5 ffujxq)zr3.zwy5w: in which of the following cases would you be able t35xf.5z yuw) :jzrqfwo 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 magnoy: i ,6v ybc)m*/-a nufm2,6fcdgs lyification $m$. 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 zdfa q*i5n8 o--y qo.gsee the greatest detail when using . dyonfqo-5-qz *8gia 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 fromou/i y+;3ip s j0 egewpp0:t:e

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer e:jske ;f5 wxgpgda 6 54-x+uwfrom

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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 nch0dzno )k,jy7m r1ys;l t:) 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 doubled, what happens to ,l pud p*(qt.;ndf md.vnr6)(0ifstu its resolving power assuming that all other factors remain unchanged? Its resolvinqd6u.frtnd0tdm*p)s(;lip( nu ,v .f g 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 ( -kdqx/p;c5ad r8 di+bin diopters) will allow this person to ra;p-5bqxk8d c+/i ddsee 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 objy br2dil rp92ai9 8)fsects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be 89dp2il )i sra 92yrbfworn 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. What +*( -xyiqhl x*nzgj/kis the persn g klx *j(/y-i+*hxqzon'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 uncorred bpk+zz4pn/;. ubq8w:ss o9fcted near point is 75;s/ wpbf+4zbd8 9 .uzpnks o:q 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 fa dnu10fm) s9oirsighted person is 100 cm. She places reading glasses close to her eyes, and with them she can comffu n19ism )od0ortably 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 a newspaper held 25 cm from his eyes, if he we)e ig,zi7a;d(kzyacevr y:: 8ars gley iz7v (a: , ca:;zgeiydk8r)asses 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.nizc qf/3t.0ow xwwq /0 g/1zu+xqq5d A person has a near point of 25 cm. What is the mwfgz.uo5qiq d/+zqtx30 /1wnx/c qw0agnification 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 )5ae 6l1*nua9poovn9, a wbisfocal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person sulo * nn5 ) ap9oibev69aw1a,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 ma,5a j ,c(ddlj1 ncu;9sg14poov ;nulugnification if the image 1v,ud (c1n ,a pcldo;sg n59jlo;u4ujis 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 magnifying gla4 evy9w fmjj3;ss. What is the maximum possible magnificajfwym ev4;39jtion?

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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 cmq2uj5+r3 1(ift h z/1puiyncz as a magnifying glass. What is the ma 13jq2i +u1cpziu5(zfhn ry /tgnification 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 l80; efiy-fskqenses of focal lengths 2.0 cm, 4.0 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 ac8;sefq- fyk0ihieve?

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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 cmgmzs aii652(u , and 16 cm. If you were to use any two of these lenses to build a telescope, what is the l sgi(u 2m6i5azens 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 its eyepiecj) e h4ozr/tl4oxbi73e has a fooir34hz) blxeo/4 7tj cal 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. veiuo r,.l-v lqf 5t0, If the telescope has a converging lens of focal length 50 cm, what is the focal length - 5 l.v,tor0vqeu,fliof 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 magnification o,ajymo w0 -0jjf 10. If the telescope has a converging lens of0 m -j0ojy,jaw 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 telescope is limitedv:nfc -p1f2erhqgyy41 i g0r: to a length of 2 v 1:g204 irr:f hyyc-qef1gnp0 cm, what is 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 ;+k6 q wufeyqq/a -k-)nc4zft 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.-q fnu/ wz aek4+6tk)y-qqf;c 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 anc*eq sgb0slq4 ybf/r +b4 +) pw5zya8ed an eyepiece of focal length 20 mm, adjusted for minim0r4azeybclq+y+*p845/fswgs be )qb um 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 an5/pf5k wcsdynqoi b5jkn7*u6j l 82;h objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the twoj;kn ho5/ kf cdql5byp6 n w*i2u875js 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 focal length .c7nw izz .3ra(3cpydv 1isi+sdb0 -rof 8.0 mm. What is the focal length of the eyepiece to give a p iii3sd cz.ds-.rwry n+(b170azvc 3 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 angularslz( bhyj2r 3mh1zf4r*j. ;pt separation of 10-5 rad. If the wavelength of the light from the system iyh;h*z j3r(2j.l4f 1ts rmzpbs 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 whif-((jdsl f ac;ch 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, w(-;la cdj(fs fhat 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 changesz2t5w(q/hwg zyof*x ) from a diameter of 3.5 mm to 1.5 mm as the ilt 2g/z*x(f )5zywqhwolumination is increased. By what factor does 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 in mf 13y4z9q n*yrlnoq/2nym0nto Earth orbit by the space shuttle. What angular 9/nmof1y34qlqrn* yz ym0n2 n resolution could this telescope achieve if the wavelength is 500 nm?

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