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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 th l9v oe/ sbbcf(cpg(8sc( v;9be shutter is open and the film is exposed in a camera is deter(fb9vp(vs( 9g belc/sob; 8ccmined 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 reachinktjlzoy2 7pdvkb)2 ) -g 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 reflz 9(8a:mzkyg lex camera 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 picture is obtained, this means ta8g: kzz9yml (hat

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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 n a- hjd/z*bjtyu0a4)approximately to that of normal vision is referred to as bah4-t /uy0d jz*a)jna

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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 telescooxx f3:i)mz :bn;gr)kqjd* 4ape 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 fyosimb0 h .x*or6*da;4w *vdtield of view than that of the eye and through which objects appear smaller is referred to as4 miv.hoy6a* *dbdr 0*xt;wos 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 from the human eye85mimkzv s8rv;r h xe7y:1a w:hv4lb +?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refraction -yi7lm+z y, jqof 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 r4pwe419tatven* 0nt k82m luzp36xewhich 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 see objec-7vg2i xzno /jts 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 person is lik*/j/tan8 b qhgfkf pvf9 0on6,.moow2ely to suffer frnv0fokpg 8tm 2,onwb/ qf */9 hfa.jo6om

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usua4-0he o fg vi 15oilk/ai)bvr4lly 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 tolt;1h04p gst ro long from front to back, this gives rise to a vision defect that can be corrected by using04;stt1hg l rp

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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 bj m7q,lh-3snperson is likely to s-sqnbjh m37l,uffer 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 co,42q530:b)bhywp0r4vgj aj htwzjg gv, ibc8rrected 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 j ka58ko(a j(8eiix-g to back, this gives rise to a vision defect tx ii(e o58ga-k(kaj j8hat 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 magnifyingvd)r0x-,8b qcw d+ gcw 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 obn4k /eh)ck 2evf k3w4tjective in an astronomical nkfk 2c v43k)whte4 /etelescope 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 formedq-kv n3ka0;; z oy+giy +kg-np by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will th 0vapig++;k n-qky- ;zno y3kgis 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 h1wtibw*bs00 mle )* okas uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between tw k*mls0e)0t b w1io*bwo 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 telescopeasbi)hcv5 smog2:h-7 / dc ;dk has a 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 greateso2 m;p jh/bx2kzd-9xet detail when using a microsze ox -92pd j;bhkxm/2cope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer f5:rdel+zwl ycb.7 .evrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer e2e*dm x5wycw( dl;v- 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 micrt5kj:vh txr18oscope 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, wiq9o4 f ytr22bm;c i owg576jfhat happens to its resolving power assuming that all other factors remain unco54fqrb72 jyocgw 6m29f ii t;hanged? 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 diopters) will alzzin2 c8/3dvs; djmo ha8w+w 2lo88j+;zo d2szvn/ dm2ihw3 wc aw this person to see 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 aolqg cb9cyh2 4v,b:e 0p:zo)objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.agc9ep)oh4 b,qo lv cy b:z02:00 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 /ns b uylv.7-;o)nfn d/w+ sbnur0ch 8glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to the eynn wbn-+8 ufs/s o)0nrubd/7l.yvc; hes?

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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 thqj+a k, a *c mpxk8(qzmw+y9t:e uncorrected near p*w+y,cjk+azp m :qtak8 9x( mqoint 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. She places read)u( zcwd:r4v + gr*ttking glasses close to her eyes, and with them she can g u:dcr4tt(+kzv* wr )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 wears)stc(zk8+ )ye+ulmsn5q 2m3c vf (iyz glivcm(ss z2q+fn8y 3c5z)l( tm+yuke )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 cm4t joptmvn./8* h9n8ahz. ax b. A person has a near point of 25 cm. *j/8bh an4z.n pm9 .httox8avWhat is the 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 foco.wh5.antl(0 zqi: a2dw yn cvni:.3cal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when voqncchyn0azi3w5(w .n d.2 l:it.a :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. xd ;:kp3o0 lxxj e+ -o+omww1nWhat is the magnification if the ima-ox+ jo;w3nlomdpxw : e1x k0+ge 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 cm as a magnifying5z: an3wsc -+5d wfkquke04io glass. What i k- 5dfwq :w+o4skcu5n3zi0ae s 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 cm ta:sl u7sf; 9pnv0 kc)*pgtqd8h ,wh -as a magnifying glass. Wpd-) fukth;:wss7aq,9lg* n vht0 8pc hat 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 te5 f *m*vzi.5poi 6n.7thdbgfocal 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 telescope75 v 5np. d.iti*6g tobfmz*eh, 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 d zcur v- a3xn+b1k)/c(zvfn) 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 separxvndvz31kn( ac/c+u) b fr z-)ation 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 leng qf.g u /42i u8po);uqwsmpyaji kith9/*r 2x.th of 200 cm and its eyepiece has a focal length k q;4*xp 8wmi /.tpq2j)uhu2r/ yu9sfa ig.i oof
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 magnific,dh1trfzu*m f6 cv r-:ation of 10. If the telescope has a convergirfc*6tfzm:v , -hrd1 ung 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 magnif55rjpai9/l h eication of 10. If the telescope has a p i9 elra/55jhconverging lens 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 designin: f.kviwlr1*16,q xh6 f k wpcsie5l4eg a 10X telescope. If the telescope is limited to a length of 20 cm, what is the approxim qe kk1v:xp,lhws f6rc *1i5l fw4.6eiate 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 length 1.4 mm and an eye1vc1 zt8qsa/o piece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from theot/av z81 1cqs 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 length 1 2;m+kf 8k87tkgvza:w n8gw9a lbsdx 3.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overa k:gg wakwz2 ;nmt8d8f78ska3+ 9xb vlll 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 71o nwm.osb24v v /jruof 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 magnifica17r/.mnv w42 uvooj bstion?

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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 h e)jb 1+dbc/4mmeq+o vz+ry n41 )mopwith a focal length of 8.0 mm. What is the focal length of the eyepiecebp+ om)4mnd)bm/zejy rqce1 ho14+v + 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 Orionx/a zjd,+h k:s e: tag+mb3)v mao)l.1g1jsyt has an angular separation of 10-5 rad. If the wavelength of the light from the syh xd + t a+te ylgk1)josms1.g,):z3amav/jb:stem 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 objects which are 0dmm7t cf*xobr1y e);).010 mm apart. If the focal lengthdymm1)e )c * ofr;7bxt of the objective is 4.0 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 f**9p tac.e s:9/d9 powbyl -4 iouuwsdrom a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By se9*op l i.w/ *cyu-b4s99d: p dwoatuwhat 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 placedko27y a4vg 8h7(ftgzv into Earth orbit by the space shz74 vk8toy7g(hv f2 aguttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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