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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 sh ,* e+(ysak9h k-zj e*ngcg91avmzk5w utter is open and the film is exposed in a camera is determinewmz5egj 9 **k y+v -eshckn9k(aagz ,1d 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 determinedcz 33vb) jdj2kbe(c0hhj g ;sox0 o8m( 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 cay,,ys7 jiwlakyd7:e , +crl9bmera the lens-film distance may be varied by sliding the,9j,a i :ryl7slcwk +y7y,ebd lens 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 with a 9 ppovb 6*,cqwfield of view that corresponds approximately to 6b9pqp,wov*c that of normal 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 au frri n)q-f)rza1g 77cts like a telescope 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 than t,2aj8knph d4shat of the eye and through which objectspj das24k8n,h 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 f:: 1ftw1x(c fkaakkq 7bm.j, 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 refractiontsx x1(ny1is o,h::np 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 q 24ljv4 v me6mghc1khq-kb8( 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 which an :2 4qj6qhd zxweye 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 front7 y jq;v:/:macuf,8tn )a)vrg o1 ynzq to back, the person is likely to suffer frcj:at v f/um:n;og z1)q8ya7 )yqn,rvom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuallz1k4p n(y t8cjy 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 r( ha1dy4di /eto back, this gives rise to a vision defect that can be corrected by usin1 rah(i/ de4dyg

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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 persol/rcppupj9y -5ynk -k6-jo;h n is likely to suffer from9k-r ;6yl n 5h ujco-pjkyp/p-

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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 wx7j un*1n; braith

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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 bff 7 grd0d hv9 8qb4p*g8po9fcack, this gives rise to a vision defect that can be corrected by usinfd v*b0gp4f7c 9g8dp8qof9hr g

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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 is6e;vu.xicw k bw v0 hf:m80*wi a magnifying 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 +u9 h4skk5o tjvery large diameter objective in an astronomical telescope is4skuo 9jkt5+ h

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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 screenk/6u4a o st0oz/ wtuchxmz1)q22j7de is placed in front of the lower half of the objec1uqemao 4/jh 0 72socuw6 zzx2tdt) k/tive 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 throfc guopb ( /zf5y7)e*h9qnwmbkp/2+tc m+)n t ughout the visible spectrum, in which of the following cases would you beftut7/w bkn)ph*n29 fq/ gm+ m(pocb cz)5y+e 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 a magnificatio1crwybo phw ;sv8-dzdi8+ 0; ;g*;u af+kfh thn $m$. 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 p5jsqoe5xr rcc. k2 41, y9ttgthe greatest detail when using a microsrr cj5o9 5pg st,1y.k4c xteq2cope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fr6(a tsjc/lhxt j5cu2(om

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffe ;ncqn,./bp yhr 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 abi)mq89qclw bogr) dk20 lity 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 doublo6 /7prh gcadm(q zr2:ed, what happens to its resolving power assu6amgch p(2r/qzo:7 rd ming 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 tl8cpvs+*v(x*rt; j kfar point of 18 cm. What lens (in diopters) will allow this person to see distant pv*t+ktrv* xjc(;8sl 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 a gjhmhxnm) *wc1e56 d i/wfu7fxr-4 0iway. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of4fj*dr6mheh x7 - /5 wcgu1xi)wf0 mni 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.2;yk ).ctraj,- sdzru What is the person's far point if the glasses are very close to the -s) y kju.;tzrr2,cdaeyes?

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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 jo /bvm93aoa:ju ec4/to correct for farsightedness where the uncorrected near pointajv/eu mb/9oj o 4:3ac 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 farsx. 9zsxql /3kdighted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper atq3k dzlxs/ 9.x 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 e-l/)m0o so+op.aq+ek t f; kza ia.gtkoqr:-:yes, if he wears glassa/+o.gao titm-:z:+rqkk oof).;e 0 lspq k a-es 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 10vylbf(x .5b i;9tfqe . cm. A person has a near point of 25 cm. What is the magnificatiof vib.x (f;.y9eb5l qtn 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 a near poi,n)o h-5v f)p+uqkhwy nt of 25 cm. What is the magnification of the lens for that person when vyu+k hf)ph) no-,qw5 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 is0s(pjnaednv4 ))j (y:ni-kp s the magnification if the image j04 nd e-aky(: npns())jvspi is 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 cmbvirb7pr(o,n e8l9r tj4r 0w3 as a magnifying glass. What 78 4b, rrrrpv jnob it9w03le(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 c pkq4fu/ mj0r+fk c2c6m as a magnifying glass. Wh+ f/fck u42mcp 0jqkr6at is the magnification 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 2wx+(t + * h6sfqhuvcn6.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to b6h (+suwn 6*htx vcf+quild 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 lenses of focal lengths 2.0 cm, 4.0 cm, 8.0*bx+ ju g0cu ti482ood cm, and 16 cm. If you were* jg 2u4cotb di+8oux0 to use any two of these lenses to build a telescope, 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 its eyepiep/ 4 f+amy2v 0ndg.etvce has a focal length ofm e gvv2tnda pfy/+4.0
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. If s b++ lux7(v3(q/utuyc8dszm the telescope has a converging lens of focal d7ty cu3b(+m s u+qu8z(vsxl/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 magnfugpp/ ))xgq9fa j9k nx;n81aification of 10. If the telescope has a converging 9)ugk/ x)nga8jnf1 paxp;qf9lens 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 telescope is limited to 8by9m )7,*jx ) tyd:go skgkiqb;hu,ra length of 20 cm, what is the approximate ks)*)d,qmh;tjyr yobg,: xg7 bui9k8focal 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 6 4x;-(fp hh *nux m-pfnzegx1focal 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 objecfx4-;h6xpugx( npf 1e* nm-h ztive. 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 an eyepygonm)ghfbjm 7zk wgc)be)1( -n 3:/b,m d3w siece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall magnificationk-)be ,y o(gnn )sg1z3b/mb: 7hfgwdm) wjcm3?

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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 aeo65 2od-2 t923awf;v vc)yt jhd jxif focal length 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 total magnifiijvo ;2x9 facet3d-) 5j yw26ftovh 2dcation?

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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 la8p2 (padzx /2dnf9gdk 1x /diength of 8.0 mm. What is the focazppd9( da g1 a i2/nd2kdxx/f8l 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 (4o ayiknab97oih80oo: )zcuer , ;pm in the constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope thayao , (ecbm8 kn:ii opo47u0orh9);azt 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 wh n:h5,5n f,haq8spn qcich are 0.010 mm apart. If the focal length of the objective is 4.0fn aq nn,pcs,h855hq: 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 3.5rimd 2 plnh 4q47me3)f mm to 1.5 mm as the illumination is increased. By what factor does the minimum anglei e4n2lm3qh 74f m)pdr 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 into Earth orbhm 3cj5rn 4r-hit by the space shuttle. What angular resolution coulr3hm-rjhc 4n5d this telescope achieve if the wavelength is 500 nm?

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