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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 expose(tetm e+: 6s 5glv0dgxd in a camera is determined by6e:0e+tt d(gx sglv5m 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 cad (cx-h.bhve vi6; fc*mera 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-f,*fx jp;trol;q x4gs5ilm distance may be varied by sliding the lens forward*s ; ,fg4lx tro;jx5qp 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 field of view that corri;8,jlylkpm 5 dqyz(2vpl7b.7+ t aumesponds approximately to that of normal vision is refet8u2jpl .ibyyv+lm,5lm;7k 7dqap( z rred 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 acvft-t 61q) aorr+ut + y:mrx2bts 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 wi87/vdaeh7dwn9me / kkie8 p9 jder field of view than that of the eye and through which objects appear smaller is riv7a87kk p/ eemw8d/h9dn9je eferred 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 cat/vlf gg .3gx4 ypbz19mera 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 of light by the h i 7,psqjhpez0k2 -4veye 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 aes/h8 nqv8npod l9+ 6kt which 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 cy*fv wfx+b t 3g.l-5hnan 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 fro.wb nnt-vg t88m front to back, the person is likely to sufbn-vn t.88wgtfer 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 corrected dn yoyi ).6(bcrz,k5 wwith

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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 giy ld1kbfy/o-;w f dy2)ves rise to a vision)y/d2ff1ywkodl y b;- defect that 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 front to back, the per)ipuw hw8/r y31 lz8prson is likely to sw zhr) /yl1wi3p8u8rpuffer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usual4tk mccb/(9dcxba7xws x(r +ctr0:d 2ly 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 too short4g7n:l r w4ant from front to back, this gives rise to a vision defect that can be7nl wa4rt4:ng 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 magnify+ se5ry;kizh*3fz6 6c j-awlxing 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 vextqxlq 8 t 17dv.a+ex(ry large diameter objective in an astronomical x xqv+. xat 87le1qt(dtelescope 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 telesfc** /pok abj8x snwu;f +l/.acope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effej.fx*o ; ab/ a+p8kc*s/wfl unct 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 m*uooku86c+a:7o)smj v v ip7n0nk1chh4os /visible spectrum, in which of the following cases would you be able to best distinguish between twscoch+*k7)4oim/ op hnkm n6ojv8 0u1s: v7auo 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 magnificatiq0zx(dx -f,vn on $m$. 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 grea735,lzv v,t rxbpq5fm; 1q ezrtest detail when using a micrqpm1frlb 5 ,v5;x7 ezz3vqtr ,oscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromrpp;48zco s(o

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff n kh8xc 60bhtesk7i43q:tw-3+uhe ll er 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 a3 4ao9qhb,; hvqc ju93m6apbkbility 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 happ tkcx8m/k/;xnf atg/e36ahq9ens to its resolving power assuming that all other factors rem;theaa86 mk93xnxc / f/gkq t/ain 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 d3 w di o8ps)7c:/xhpkoiopters) will allow this person to see :ocs3dk7wio 8p phx/)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 objects more than 70.0 cm away. What powepmv 2n52g0k, p6wxkzdrmz 1hyma9 :0nh9+zr gr of lens should be pres mn 9pzhy+5v kpzmzmnx,9r2h:0g a6wkd012gr cribed if the glass is to be worn 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 whose lenses have power of -0.15 D. What is uupwp-w x,h(t54 9f pqthe person's far point if the glasses are very close to u-x(95pw pwtup,fh4q 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 uncorrect9.1x jsphgpk,qw34y ced near po jq9h.g3 4k,1w pyxpcsint 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 perso/eyp3hzhq4./ xw ;bsya32 ck yn is 100 cm. She places reading glasses close to her eyes, and with them she can3kz2 ;pyy/ qx34/.yw hsb ehca 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 hdb9kx+f+;ukb , 9qmdit3wz6m sy- a4feld 25 cm from his eyes, if he wears gla ,zw6mk-qa bmfb ;9t+3dkxu y is4+9dfsses 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 person has a near point 7- lrq dkm3ka;of 25 cm. What is the magnification of the lens for that person when theird3-a 7mk;krl q 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 pointhgs8 a7-p) j0iiz utxpj4i(f 8 of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their ha)ui87gpx8 4iji-jtz0psf( 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 p1 rafa*+ohj2length of 7.0 cm. What is the magnification if ther 21hafp*a+ oj 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 focal length 5.0 cm as a icm25 g orr6ql*qfm ,*d-d zc(magnifying glass. What is the maximum pdo gmcmc(*6*-qirzfl2d ,5 qrossible 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 magnifying glr)2 5mdyiq;tw z4 mm0gass. What is the ;yr)zq5m0t m id2wmg4magnification 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, 8 te7fw,h88qh2nkeho4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of28te 8hho8e,fhnk 7 qw 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 fm b5g(tfpm xn5l n*8fiaas)8ogo0d,(c z o*c-ocal 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 ma5 gcmf f-azx0noat*d 8p*o5)(b gls(c o m,ni8gnification 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 eyepiece has3h 7 -rgj 55hb5b,cae s pfik5*bpji4c a fo35c b- jipgs h e7j,faci*kphr55b5b4cal 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 aevu(*) v(aqkf xge n0y +h68+:0wg1l odqa mfz magnification of 10. If the telescope has a conver(va fwqa* h6v8 d1z:)g+uelgx+fkmq(0yon0eging 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 e;wf(-0ail0sht cf5-t7d hqnastronomical telescope with a magnification of 10. If the telescope has a t (th5f0--fi07hasqd nl ec;wconverging 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 telescope is limited to ax :z ;8br.6y30c0j h.eqjzx)pe zm wr6lso8mo length of 20 cm, what is the approximate focal length of the objr .8y03. r6j lsceph;z 0 xjo:wm6mzzq)ob e8xective?

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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 eyepiece c5 j;qydbh1 ,vof focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5hcby ,qjdv5;1 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 objec.+h/t3xv+hqfhd. x iutive lens of focal 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 ob3h+x hdqu+ .tiv/.hfxjective. 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 objecti9unr4j (gyf*s5 2 ohclx0l0 klve with a 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 is02lyl r4ckj(nx90o5uf glsh* 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 with a foca,.mz gvi 8yta5l length of 8.0 mm. What is the focal length of the tvg,m z58i. ayeyepiece 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 constellati.5*qtx b/i5cicb;qmec/8x o pon Orion has an angular separation of 10-5 rad. If the wavelength of the light from;8i ib5bem x. /c*txoqq5cpc/ the 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 dea :,g y*2fl(yesya(jpsigned to resolve objects which are 0.010 mm apart. If the fofa ((2 ypaesyjyl,g:*cal 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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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 diamete3 k4mqd k5r+ho1wb *sir of 3.5 mm to 1.5 mm as the illumination is increased. By1i3wbs h+r4moqk *k 5d 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,6u +d; v m;f+k 7l m7gxclvsb:w5csjy the space shuttle. What angular resolution could this tel 5 ,sv++m;l67y;scg f7k:bmjcxduvlwescope achieve if the wavelength is 500 nm?

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