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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于无忧得胜-网上国际课程 (https://5edu.win)， 为试卷打印版，您也可以在网站平台(https://autodiscover.5edu.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.5edu.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: admin  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 fic 4b yn5q 9xh6teuxr(n t7x1m8lm is exposed in a camera is determined by q1 tm r 6yxuc7bn5h8(xn9 4extthe

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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 f8rp6,nu8 uh(.oeu m ckilm 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 th8dn *64yupl 4wg s-ygllo(, ire 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, tliu8n g4w6l yl(op,-g* s d4ryhis 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/o*g:1cnh4 r8psr2gwit yvt*o-- ud h view that corresponds approximately to that of normap*ntd1u g8/cs ogh-w hv t2i-ory*4r:l 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 magnifyu) m,0v2wiktgptw7(icjx 6 c( 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 co.9apf 9nhq-;mkl l.oxvers the film with a wider field of view than that of the ek lqa..o;l9 nh9 x-fpmye and through 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 ways is a camera di tnbua oo6pw,-lg kxie./+iq/et* :4tfferent 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 ba e:ve l.w3-zny 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 ca4 zj1r c, bgl2 f/*cob;ji94nhfws h6learly 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 objejtt5+lsx )6pc cts 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 frj1n,da 0m: id; o.lskyom front to back, the person is likely to suffed1a 0;yn,kmdsilo .:jr from

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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 correctesy3qzfg-xg -z;f8 d ov+5f 1tl:fz7zgd 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 gives rise :vtdi7pk(- 5k 5f8ja,wncc moto a vision defect that can be correctefi5v n j d5pwk7mk-(cot,c 8:ad 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 tph -w3rn ck+*poo short from front to back, the person is likely to shn-ppkw3 *c+ ruffer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuall: gngc sb7j vsneokngn 1-3(3:y be corrected 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 t;o o7hze o4qyzszcr lr*3, s)yqy/89jr/4yzgoo short from front to back, this gives rise to a vision defect that can be corrected by uo9oz,z3jyc) 8r ;s4r/e 7zg/syoyr *z ylq 4qhsing

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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 maggq1 4vkp; jwunkoq+ngi(,a5 7z/j7 q dnifying 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 objecuuy6 7 s1him971hbhwztive in an astronomical teh7wsuyhz7m16 hub9 i 1lescope 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 forme b7b. :jkw5ato7 3fwhvd by a refracting telescope. Suppose an opaque screen i5 :bwwt73ofja. v7hk bs placed 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 the viwqs6pe31e4zk sible spectrum, in which of the following cases would you be able to best p zwk4e q31e6sdistinguish 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 h lixhngn.gc:pph bxu;)0r; j :jc,q(0as 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 th 1xz t);mp-bdze greatest detail when using zb-tzm1p;d) x a microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufn4 r sp xyyzosy0obe6m).h7o3 mb e2:*fer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fr09+ 14nwy qji-xx6co ollml33v :xaow 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 to the abn4u3b p,o6kawfd4 lb( ility 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 to its rml g23 grtr2fk p jdejeqar/3n5-z7 /5esolving power assuming that all other factors remain unchanged? Its resl7 er3jq5t agk2/ 2edgr 3rfzn5j p/m-olving 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 personmz6wj(j2zfw8zt dugr5d * ,.b has a far point of 18 cm. What lens (in diopters) will allow this person to see distant objz28t* wd b( fg6, .rzdwmjuzj5ects 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 oe,dj5dn ; ::aq0yj5t ;ctaemcm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm int0o;,a y5t5j:d:me jqd; caen 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 )hb d,cag+be kw58j3wh )qpr/power of -0.15 D. What is the person's far point pqd/wrb+h53 gj)hb ,8kewac) 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 n(d8g.cgzihd riw: 6 2jeeded to correct for farsightedness where the uncorrected near pocjg:h 68iwgd(zird . 2int 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 m (bfz .qvwgvjct 7k-o.-/;sb(tk ao h-e3w /uis 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. q b- m -oh /cb ( kvt(ga/jvtfoe.u-szw;7.3wkWhat 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 heldo(wb k +r-2 g0+u)jyebgtb2 pv m1sz5w 25 cm from his eyes, if he wears gbbkj1)-b su m5 egrop0v2(gw+2 z+ytwlasses 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 1b,qk; x t95amifiznk n*/x;x a focal length of 10 cm. A person has a near point of 25 cm. What is theqi;bmi5kx 1 9f nxnx *zak;,/t 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 of 10 cm. A person has 3uj5-q, j7e1m1 k6 y7ks lyc) m0tioqptutcf4 a near point of 25 cm. 7jm5 )7p1skk mq034yjuc -6c1qttlty,eoiu f What is the 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 lengt -m )kldiq0d3;e izn -/gyqpt+h of 7.0 cm. What is the magnification if th+d-;q3pdmink yel-gi)qz/t0 e image 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 fojjy y;eoy ;(o6x5t,g xcal length 5.0 cm as a magnifying glass. Whaj(;tx5 ooyxy6g ,y j;et 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+va4 sprne4dea 2 f0t2 of focal length 5.0 cm as a magnifying glass. Ws2a0fd4 4etvrp2+neahat 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 2.0 cm, 4.0 cm, 8.0zu1bb)0njze40(w c ze cm, and 16.0 cm. If you were to use any two of zcj0bznbzew0) e 1(4uthese 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 lengths 2*d9ndxg:,k7z(ut w 7q7ee b ukcrx23 o8,hqni.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build an h:28w(tkux9 k77 brd3xo diq,uezqge*n,7c 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 uryk. rh03:4a )w(vfux glb 1zfocal length of 200 cm and its eyepiece has a foclru:)yzx0rv u.kwh g4b(a3 1fal 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 tejk*:buwf76 ag1k ( 6o )qiieowo5v6vrlescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiecei7vow6o1 w(6 vqa eku5objf)6k :r* ig?

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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 astronomical4o3)-c0 ickczb)aufz /pf v1t telescope with a magnification of 10. If the telescope has a a uv)f -b c 3f1z/0ztoc)kci4pconverging 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 designing a 10X telescope. If the telwyx+-,6 rsenvescope is limited to a length of 20 cm, what is the approximate focal length of t,r s6wnyv-+xe he 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(, by5di( u0cjknvdb3cc/se 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 objecti /(sc5d0k1 j cb b,nyucd3e(vive. 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 eyepiee-r nx yj6*czjs1c9c*ce of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mc n 69 ecjs-1xr*ycj*zm 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 witql;8fj1p,( lyxe t 9idh a focal length of 3.00 mm and an eyepiece of focal lene l ;pf ,tj8ixyq19(dlgth 6.00 cm. If the two lenses are separated 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 objetkjth5 /z gqq h /1mjdu7;g,,tctive with a focal length of 8.0 mm. What is the focal lekzt/jdg1, ;h tt7qug,h/qm 5jngth 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 in the constellation Orion has an angular separation oscwyg jv);o3nbq*f3w rwe)4l.lhbrv9j*5v 9 f 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that o)s93wvjwbq; 4 nejh)y*vrlcg*5.v b f r93w lcan 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 z+m9a tdjexhq jz, al 5-hy+9*designed to resolve objects which are 0.010 mm apart. If t+5ytj*m-dh aqa z ez ,hx+99jlhe focal length 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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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 ixkkku 1u* e ,3nv-1fhas the illu hxuvf1-n1*kiuek k 3,mination 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 Hubble Space Telescope hldu 6l3);ji r ezd/0ysas been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelengzs/dleli0)d uyr;6 3jth is 500 nm?

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