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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 film is exposed in a 4exh4;meuc pam(y)f+ camera is deter4 ayephcu;+ 4)mmxef (mined 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 ua 6u5jzg,neax cb)w;wv 5k6: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 varo0pctlpti a5 pt ,aw*(x8v ( 0gt,cfb:ied by sliding the lens forward or backward with respect to the camera housing. If, withi: ltp05 cxt , ttg*cwop8ba(p0fav,( 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 with a field of view that c.ti4q hwbf: o.orresponds approximately to that of normal vision isf:4. bo.htw qi 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 swh 0n-rnqob(4x8l 8xtelescope to magnify 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 film with a wider field of view thanu i)bkmzr: ;brk3/oq* .qzo0vp sb3u 2 that of the eye and through which objects appear smaller is referred to o:u0vq;sbkm* o3.uzz3bpk rb2/ )qir 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 g7y f;a01hdrwways is a camera different 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 refractio(4jqaa7d+ buh7o25vnwcq l ,i n of light 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 clearly e ucdayf dlfpm 50;p+ *t3*vs8is

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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 cl7t sv3,4six 0eugz/ 6yjtyqs1 early 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 /o/ f4/,k*-xy7ghzfep u nxukperson is likely to suffyzux*/ n pxk ek/7u-,f f/og4her from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuall bwd.,xt.8 ugcy 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 giypvg6i yrg) psk n:n; fmm9158ves rise to a vision defect that can be corrected by us k)5 6pg8 pnymr s9my;gnfi1:ving

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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 p8mpml* wwpat2; zy9;5ykg+teu:t jeb6 u sz90erson is likely to sufferl806zy;9p9ymmp2 ew; wt aj*uus5tzegtb: +k 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 correc5vbpd k/a d(*ated 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 ixj2aeg : f-xc 0h5szf2s too short from front to back, this gives rise to a vision defect that can bz02aegfx -s:j2 hx5fce 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 magnifyinp7gb7/ v.yo /m jlg;uvg 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 diaoosvgsy m*c dnl+191ih6wp2( meter objective in an astronomical telescope ish9m(c61 yli1 p2wgds son*vo+

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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 an opaque scrne,e8xzncp2h ;*;7 gg9y l vbneen is plae2g;* 9,8 y nznn;ev7p xgblhcced in front of the lower half of the objective lens. What 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 twcy*c3mhn* 9v/xj il2.rte j,he visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objective lens of the tir3jxc2mn9ye l / vc,*.jwht *elescope 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 re7 (fogn8n,ha 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 greatest detail u 3k ;o0hi6csg/x3bf dwhen using a microscope kuixgdf0bs;33h/6oc ?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer b8o5c b l m(u9wjzx 1+1 w,pb+h2lrxqjfrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fr1tk/ smfedzj( q/.qq;om

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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 tog6 e6xnz+j ub:tt6t,r 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 doubledc5undds p+:m/pu74ef , what happens to its resolving power assuming that all op/+pefm7u4 c d5usd:n ther 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 azb f+3ey ;3wav2k,i gh far point of 18 cm. What lens (in diopters) will allow this person to see disv3h, f+ iey2g3zkabw;tant 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. What powe h4o2z:cc pq/6vqyr)5t nayi/m9o xd;r of lens should be 6 ocv;z:i4/dor mtn5x 9 ) qcay2ypqh/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*7k tij5dy(y5 i: xkmu. What is the person's far point if the glasses are very close to the kjuy *x i7:dmyk5it 5(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 neededbxphq sn ) u2y3ffh163 to correct for farsightedness where the uncorrected near p3 1hb uhs62n q3yffxp)oint 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. Stn ,b8 n4memhcy -qq-cb24 1yghe places reading glasses close to her eyes, and with 4 b 8g-24 mynyem,qnbtcc1qh-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 read a newspaper held 25 cm from his eyes, if he +8;lk os kq)eq4l1rg5b:wj yyy 8*ylm wears glasses of blyy+skj 8y8)ykgq; ml1eq4:5w *rl o
+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 person has a near point of lwjre ;38u cpgg htj0/nf )gaf,4mq,; 25 cm. What is the magnification of the lens for that person when their eyes are focused at infinituwrf,tg3jjl)a,pg4g8 f/m ;hn ;qe0 cy?

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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 near point yte5 y6l8, zh iwxc7,fof 25 cm. What is the magnification of the lens for that person when their eyes are fozi85cyw,y t7f6h l x,ecused 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 focal7lbyd .w60o;j /bl5qj4al odq length of 7.0 cm. What is the magnification if the image yboaob;4q 06.jdqll/l dw j 75is 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 glass. h+;.0h foyj yq What is the maximum possio+y0.f ;yqh hjble 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 magnifying )o 3ms g1yh*usglass. What is the magnification if the person's eou3*1hsm g)ys ye 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, pu:nz 9n ) ozd.0biqp05jlckym0hx /4 and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum .l /zipb0cy )0j4k o5n9mdp : xhuq0znmagnification 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 lenses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 / h.inad3(cbn cm. If you were to use any two of these lenses to build a telescope, what is the lens sepbd. (/ cinn3aharation 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 teles5.v+ :o. sveelap:wja cope has a focal length of 200 cm and its eyepiece has a focal leng a5ws :ljoae e+:p.v.vth 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 telescop3n qg9mev .hjsb m*+3xe with a magnification of 10. If the telescope has a cohvsm3*93q j m xe+n.gbnverging 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 telescope with a magnification of 10. st(.tm 4*vod fIf the telescope has a converging lens of focal length 50 cm, what is the( 4t.d ovf*smt 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 im :ks,c7xw -0zgpl) tis limited to a length of 20 cm, what is the approximate focal length -)tcmw p :i7ks,lzg x0of 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 jg39;;glsp qr.r2cha ,lqqp. focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.c.l .lj2ph9gaq p,;g3 qrrq;s5 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 *wh6n3reqab / 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. Wha 63nhw*ae/rqbt 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 focal len bik6i, z vy-bh/wiy 9bbh:7y.k- bm(jgth 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 toj.(kyyi bih-bm /zb-k79,biyb 6 hw v:tal 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 objehlvh*9t( ,3jjvepu7 v ctive with a focal length of 8.0 mm. What is the focal length of the (ht ulpv3vj9 ,vhe7* jeyepiece 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 sepa)d 06ousk j l9s.zf/uiration of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolve the two 6f .kzso j)ldu9siu0/ 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 desye03j/:bmth 0/vh m. bme-k psigned to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm a3 hb:jeste/mm m0 / k-bp0y.vhnd 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 tkqsgq,nxmy/3xw0y(i n ):l k7o 1.5 mm as the illu k,)ngny w/:s7 x3 ylx(mkq0qimination 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-4k3t38bjl1 8hz rzvnp9fd ir Hubble Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm1 r lthpn39dr8bf83z-vjz4 i k?

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