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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 camera is o(o j0hx04kf) /abzgy deter0 b0ajo fkgz/ (ox)y4hmined 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 reachi* m6509fyukd o+zxvv rng 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 varied by 6e6chls-m;yo rjh 6) esliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this mych6); ser6 ojh-e lm6eans 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 correj rxu7vm- e6brol8n51sponds approximately to that of norma65olnjv8-brx1e7r uml 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 imager ;nfkk b yoqr 4ctip -;4s8o3:mm7,;v nvhw2us 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 thakiaqvlm;uy ; ( 5*ej0kt of the eye and through *q ;kjaukv5iem(0 ly;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 o,jat v+l:ony 8lh2i9+mj oe2 ways 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 refraction ofic q7se6op2xn -qtxr/ gv4wq.0 8i :xb 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 eyaz vxa*-5psc- e 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 an0qr0*sjeb)qq lnmv e/yk 4+6*gwg*aq 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 :w+6njtyt. 8t9yfnjk + wqxcx+i01kh from front to back, the person is likely to suffer frjtnc.t x yqy+ +:jktwn01fi6 9kxh8 +wom

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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 4tmgm0j+fpk + 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 *5)3na*5zu- so*,hpwlv)i 6a *qerxofb cwsifront to back, this gives rise to a vision defect that can be co)*wroesni hus)5o65pa* ax3wzi,l *cb - v* fqrrected 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 frr/9 6xb hppex:r lu2eb9j1twg0im- 5bom front to back, the person is likely to suffer fri1:r-t5 /gxe0p6pru b92 he9lbbwmjxom

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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 co /0pdlf q6iyx1rrected 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 is too short from front to back xw+2*enpung /vff go+t7jm ij aj1/8*, this gives rise to a vision defect that 2 pg tvn/ iu j*w+n1 gf/fojamx8*e7j+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 magni mmomffc:-+s6fying 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 astrpct; yc)u9c em6m-h ohsl *7-nonomical telescope mtcy e*l hm o7c6 c-n)sh;pu-9is

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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 byt,l3ic:x r25a 90;fruz)i sspms az5r a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. ap s :lrfc m5u0i3,;rsz2r it s59)xazWhat 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 n 4k8tj2h9zzm0lzyy )c.s )a usensitivity throughout the visible spectrum, in which of the followk2 a4j cy0h sz89z)zlty ).unming cases would you be 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 magnifi5dkobr9+g- c xsxn*1+wfb) w7aw t*kv cation $m$. 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 seehuz 8k0ow z+jr .m4in,jfy c)/ the greatest detail when using i 8,+ok4zujjmfrhw/y0n)c.za 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 )y d77vbc*2f53sgvhmdw;ps m from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suxv: 1u:.b8 w2xrnbqu yffer 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 ti)2f feqk2h3 to 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, ,pg+ zf.bc o )(fs p)l4m4zrcswhat happens to its resolving power assuming that all other factors remain unchanged? Its resolving power )c. bfflgzpp m 4+osrsc,(z)4

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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 184 (k(we 1p48phl php)lldxr ssnho ;7; cm. What lens (in diopters) will allow this person to see dh4prl hw(p(os)l4s7p8h;lep; dxkn 1istant 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. Whqidljt; k4xy7xhg 6y;y2iy03at power of lens should be prescribed if the glass is to be worn 1.00 cm in fronq0 yx34xily;6; d2kht7y gjiyt 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 wear :w8b:. y hoekbfh/(3 t.ijk spgh5ts8s glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close tfho kt ip(ew:sgy: .k8jb/5h h8tb3.s o 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 farsi tdp -+zxr aupx3* (+xafdct8)ghtedness where the uncorrected near point is cpxzrt -x (f* p+dx+td3a8a )u75 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 inahm pjm*+qtgvjl2dyt 4 /b5 5 m9b:o0/1 zhfxs 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distancq2 / m:zloph 1mmtt4 fdjn59bb*5/a hjg v0y+xe 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,jam xb)b5( s pnytx q8g:o5p9/ if he wears glas yoxnm )85tj5g:bxq/pa( ps b9ses 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 leng3.9 j7/kevbepl;s siith 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 atvs/ke9 s 3pl;jeb.i7i 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 )vk azypx; hpo+ym n+eq +xh0bjz:0+8near point of 25 cm. What is the magnification of the lens for tha h xzb+ 0p+p0)x+ yyakneh+v8 jmz:o;qt 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 the magnification if t9 s/stg*/.njo 0f(axacqt- gv s fu8a.he image taajggfox/9a.*s q(-n.sf tc8/s0 uvis 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 lens48xpbj;1zj6 l ltn5 uj of focal length 5.0 cm as a magnifying glass. What is the maxim8 ltbj4nj6j z ;5uxl1pum 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 cm as a magnifyiu3.8ziwadyqhs wqhdu i 1;568 ng glass. What is the magnification if the personahq ; uzd 6qy35s hd81u.wiiw8'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 b8afa9m(su di4rf d--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 telescopeds fm8f-ba-ru(9 4da i, 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 )fh0jt mm me0;cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens sep hm;me00tf)mj aration 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 focmmc 0-nfo9/w qaaqh9eo 9s-6dal length of 200 cm and its eyepiece has a focal9a9m a nmo o9h6s-ewqdf 0-cq/ 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 a9oel5 v))/rzy/i yr.a-ghpog magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is- )eopogh v)yr //i9lz.5 ryga 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 astronomieikg zh:f f+7 :m 2h+co4byetms8-ay 2cal telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resultingyefm 7 :2gibyh4e8chof2a:+sk m+ tz- 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 j u5o)b uc-8stq6vh(fqzg 5ho)cp 0w 710X telescope. If the telescope is limited to a length of 20 cm, what is the approximate focal lch5gu 7ofop cj(uqz5 b q-8t) 0s)v6whength 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 lengt6rcy ; lucjwaj06(r,u6x pe:3fda je3h 1.4 mm and an eyepiece of focal length 20 a 6ue6cx:jd (r6u p3jf3c,r;ly j0awemm, adjusted for minimum eyestrain. A blood sample is 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 l/ h+nwj6+r 1 z;2yzordmbd d(dength 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood s (dmbzjy+ wr1o+dn26/hz ddr; ample 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 an objective with a focal length o:f0fpnv,c r *tf 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 magnification?tcf,vfn *p 0r:

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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 witwbw3ive;w l135vix 6hh a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total maw5l 3h;ib3 iv1x w6vwegnification 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 separatiet 7fwkk1:05knm .droon of 10-5 rad. If the wavelength of the light from f0ke d:7 t.nor kmw5k1the system is 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 o1t;b4xl duhmld5 / mgwz7j06 xbjects which 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, what wjg t;bm l/ x1ldhmx476zu0d5is 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 as 0;f5l a3.utdlue ub* f h4d*yethe illumination is incrh.50ud* a3be;4ud luylt *fef eased. 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 into Earth orbit by .joi ;f0hslmh++ 6f cnthe space shuttle. What angular resolutmi s6 oh;+h.f j+fn0lcion could this telescope achieve if the wavelength is 500 nm?

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