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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 shutter is nmf.(edz7+ 1f+nixdtt 8 + v eadc4b(nopen and the film is exposed in a camera is determined by v xcdd+i+etef8+(z (na1. n db7t4nfmthe

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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 determined by th o:7q rt5nebumf - /gomxlrj-2y0db61e

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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 byduf *t4z3,-kvc)f vx3.dod mb sliding the lens forward or backward with rcuz3.kf3d*)4xmf bo,vd t vd-espect 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 field of h 670fu )zsy-c4biacs view that corresponds approximately to that of normal vision is referrbz a7fc0ys-su h4c6)i ed 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 :y14t 3dv1jus mg;byst.dwt2jp-9 ra 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 vi11a4 wfnfbir;i4 r6w new than that of the eye and through which objects appear smaller 4irfr4fn1na iw ;w6b1is 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 dv,tz d9vnsgbg; l ;2o+ifferent 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 light by the eye occurs at th;4:jdv6gz 8 q2btlzsqq4eh +6fb y8fle

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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 whicm -qmla37ak 3eh 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 eye can se0tg* 8kjdzh+m v4k3 mte 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 frontu5hak, xxdu0 + to back, the person is likely to suffer from+ ,0u haxukxd5

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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 wi/fvk7eyew7,9cfx l5j jyo( zsn f+d-(th

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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 topt 0x i8g7m+nk back, this gives rise to a vision defect tp+xkm7i08 g tnhat can be 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 from fron-8kvjy+2 fs,frqy-qq xe s/a,t to back, the person is likely to suff/y,y+8-ejskxq 2vqfra-,q fs er 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 8zf- ,0nznv xhcorrected 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, this gives *vf /) 6u0c kzu /dzzs0p,tdqnrise to a vision defect that can be correkvs nud0*,)cd//q uft06 zpzz cted 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 gwds0m -+bf.qv6 - taullass?

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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 diametewl :-*ts(eitpjq3 6k cr objective in an astronomical telesc*isq:k cwet j-3(p6l tope 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 an opaque screen :s bm/ihog6) -f7c02ygpgzc vihg7k/is placed in bk7v ) cgzfgs/i0/6cggm2iyo :hp-7 hfront 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 throj .k u+pc+qbd6jsoun*u- vxs81x as0:ughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens ref8 q1 s d+usj0 -xx+ukva:b*pj6.nocuserred 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 mag 0u+hown;0el:aa,qvizo*dw g: 2/ci dnification $m$. 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 yobm.)0a / tk4fs5on hw3yd rk1au expect to be able to see the greatest detail when using a mic) nw0rad kos. 1/y3ft5am 4hbkroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fr5om gx 1ul(r2rom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer7h9j:nq yz7 ty 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 microscopeue* . 00posvtwwh v/2ol8x 8ehi)q*sz refers 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, what happens toa bsc3dj 67u2b its resolving power assuming t 3dsba6c b7uj2hat 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 far point of 18 cm. What lens (in.ae0i7m isntc- s;p )z diopters) will allow this person to see distant objects clearly?0na;c) szmps- .iit7e

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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. Wha:4 p; j58hf mutnynx3st power of lens should be prescribed if the glass is to be wornh;3xm u:tnsyjn fp485 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 ii; )1e 9v/ eqmaf0;qtx/pws y87iohgwhose lenses have power of -0.15 D. What is th/i gxeim)qe;w;t sh 7 8i09pavqfo /y1e person'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 uncorrect zlmx:c6j;u myu pa86+np(7m led near;yc:6m6ua8 jm mx(7pz lnup+l 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 person6xilft,kl*zl.0 xj ,x is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read fx., llzkj60*,x lixta 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 hm-aoszq +,d) 5ios)n7stk,rgeld 25 cm from his eyes, if he wears glasss-)d, a kqnir5m+ z)ot7g os,ses 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. A pers*u fu--sv 0z6d*cddlk on has a near point of 25 cm. What is c- 6u -zksd d*u*v0ldfthe magnification 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 z/nyme(u*c:e;g a; lfof 10 cm. A person has a near point of 25 cm. What is the :nl*u;ge c ;ym(ea zf/magnification 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 the magk x00nil+iq g.nification if the image is viewed by a relaxed eyekilngq0i+ .x0 ?

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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 glasi pk3f* j h7c7aeldg5r+xe1;ss. What is the maximum possibl1g+ 3icfek*p7 l;dr hj5 asxe7e 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 cxh;tozha6b 5;zlq9 0mm as a magnifying glass. What is the magnification if the person's eye is relaxex zq5ho;;hbt 0za9ml6d?

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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 lengthx f e(mp-f64yfs 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you mxyf6fpe( f-4 were to use any 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 lenses of focal 7mbxdh -6*nkos* 2pdy 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 separation for the maximum magnification telescope?yxnk62 bd*p7o-hdms *

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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 2hi(h)0hyj4h4 ydeb seyepiece has a focal length of hd2he)jsi 0y(h4hb 4y
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 constructsmc1mvanwa n(2p90pk; zhjp sc76 g;:u an astronomical telescope with a magnification of 10. If the telescope g0pu(ns p7c j92mwck1v 6:;nza p ham;has a converging 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 wi-qkv cdup- d9y ll q4:av3+(gwth a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the rek-dv9awq-d+l yg(l:q4vu 3 pcsulting 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. d8dcwbe,c0q e 8y,0qv wj35mwIf the telescope is limited to a length of 20 cm, what is the approximate focal length of the q,50w e08wcdwjem vyq b83c,dobjective?

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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 objectvif2 fh62i5+y3akr nx ive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minim2kxar6v3+ffny i52i hum 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 ofrq kw2o r4cu7( focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyq r(2 ok4wucr7estrain. 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+:m v z:je+ qbumv.fijh55 glkh 9b5s8 has an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separateh9zj h+iub :mkb85m l5sf.vj+qevg: 5 d 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 wo;i-7t nm0f zux 3zd1pith a focal length of 8.0 mm. What is the focal length of thed3u -1zx; zpn7tiom0 f 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 constellatiokhdz1d 9d rb0l;3qg 8sn 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 that can just resolve the two staq3rhdd;0 bk9l8d1zsg rs?

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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 which are 0.0esy 9s.by7v:,irneifa* sd .,10 mm apart. If the focal length of the objective is 4.0 cm and the wv s,ib,sr dyn:ieayse .7f9*. avelength 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 diametro**vpp gq*m,3w km l+er of 3.5 mm to 1.5 mm as the illumination is increas,gp* qmrk*pwol *+m3ved. 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 reflectinguvd(tj ) b5 s0dmjo41qg8,vp i Hubble Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this dpjt5(vi d4oj0 m1 )gs8b qv,utelescope achieve if the wavelength is 500 nm?

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