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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://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://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 fi1d lqo (1ga*swlm is exposed in a camera is determindwo1l (ags1q*ed 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 reaching the film in a cameraj e,nnsja 1,mo,;3xff 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 distantq 8a xyd4ov,/1 v8dklce may be varied by sliding the lens forward or backward with respectvy lkoq8v4ax/1 t,dd8 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 withppx0* k5 ghfcwduy-/ 6 a field of view that corresponds approximately to thu-gw* fkc/dp6hyp0 5xat of normal 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 images is r+z:m9ni 5 ti;h9yrvf8oqea p)v5n)o oeferred 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 cov0i -dr1ano, qhers the film with a wider field of view than that of the eye and through which ob0onr d1i,hq a-jects 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 differenu2le4h1yteek2 un7zj 38pzb 0t 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 refractqv8 u j;mar +z(j sbor3x*hb+5ion of 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 eye can seebl745db: : ewm*lnucj+gk.k c,) dtjk n-j*iy 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 cdtniv6 d* g7-tz d/ki/an 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 ibq l,y6e 7n 78.sf2xhki1z hncs too long from front to back, the person is likely to sufihlcn y7ks8z7e bfn.2,hq61xfer 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 c1,qp, ) umpe,glvn bom,ym6, worrected 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 bac k ,i22qdf 4-nge t/a4vwr9npck, this gives rise to a vision defect that can be corrected by usiv4 i 2keag4fnp,r/wd 2t9qn-cng

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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 tooi s(gk)wv+1nu*(qs l i short from front to back, the person is likely to suffer i(n k 1( i+u)slgsvwq*from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usmh6 +pnist vx(. vb2y:ually 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 short from front to back, this g*f bo-.dbsof84cqw hb-p 2jn4ives rise to a vision f2j o snfpdoq4.*bcb-8wh 4-bdefect that 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 mai6qsomr41 /tp rl48e9mg ro8ggnifying 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 astrontkw 9*y6sr (beomical telescope isk (9*r ebwt6ys

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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. Suppose6e k-1i 9/,(ka+vsio gx ddn)7bm zkup an opaque screen is plac a1gd 7,kek()s+okv bdp/zn9mu-xii6ed 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 :1t f-z z,5n6mtamlykthroughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objective lens of the telescope uzka:-6 tmn,mz5f ty1lsed.)

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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 magnir lbw7, (yv3fo3sx va/ r,och9fication $m$. 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 greatest detail uu,yaj*a tq;*when usi;auaq ,*uj* tyng 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 suffer f9 l /7a)tozee-jwy: a 4hq3uotrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer from8g /f3im*qgbc 89 fehq

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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 ability gyliy *e.c t4dcm+os/f.-t(1llva4 j 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 ba0 7ygzmxb 3(ht)-glto its resolving power assuming t0 3bz a7y-)blmg(thgx hat 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 dioptehqns0o-eu x4.r+g 9 hdrs) will allow this pers4u.0+hqx s-nghd roe9on 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 objeczxf3 h:lvhyg75ua (t/ap 0 xo6ts more than 70.0 cm away. What power of lens should be prescribed ahx6zvg5y lp/37 o:t a0fhux( 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 poweulcoyw tbt8.p) h4;w0r of -0.15 D. What is the person.t4pty oc lwbu0)8h; w'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 cov28c7u0 q qwsshdv ,l3rrect for farsightedness where the uncorrected near poinldv738u2qsv h,wq0cst 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 farsightef3pohr5c nd.8 o-ipb 2d person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a disto.dchfp o -2rni538p bance 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 wealabtnw 9 * tpmyz+d:u,u1(i79x:qr1: abko zhrs glass7aztd :ptio,9( rk* y al hb:nu+bq1xwmu:1z9es 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 poi(iy1-f lr. efxuck11bnt of 25 cm. What is the magnification of the lens for that person when their eyc i byr (ef.lx-11uf1kes 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 owh w;bv:khzh 24 *wv/7 hf;pafq4mu 2xf 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 at their neh f4hw;4w2u :bhm *fvqw7;z/vphka2 xar 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 magnificationle l wiaf5:h1ah-a-*y t11pkw if the image-5 ayfh-kl: hei1*1wa 1aplt w 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 magniy0di :j+azis g07kz r8fying glass. What is thjkd+: iaz7zgi8r 0 ys0e 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 q4b/ythx(z0 t of focal length 5.0 cm as a magnifying glass. What is the magnification i4/ txhb t0(yzqf 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 xh( 1ldwt;dk3 lb; 1rgcm, 8.0 cm, and 16.0 cm. If you were to use any t3 rdk1l t(xhl1d w;bg;wo 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 lengths p*sc ytm )6pu88,hq pj2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you whp8 ym,p*q u pstj86)cere to use any two of these lenses to build a 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 focal length of 200 cm and its eyepieces jo fop,9/1yt has a foc ft91oos jpy/,al 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 tbl6)jnn d7 .rz4e;p8 urhkgd 77 o;.mzju.o kselescope with a magnification of 10. If the telescope has a converging lens of focal 7hb)r l e oudzg6.zkjn7rd.sm4po u7j8k n;.; 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 ast a4(l*lw(kf9ttz kv1g8a e7nkronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the tef4agltz7a (v9n1(k e ltwk8 k*lescope?

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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 ig/t wli*j )p*g1yrw 7us limited to a length of 20 cm, what is the approxima*wgt)pgwjr l*/u7i 1y te 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 zrtnu+ip0 yx0rd+3g+ 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 objective. How far apart are tzxg0rnt0y+pd3ur +i+he 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 objectiig5 ;7p / no jt foqty879pdgny9)s-zpve lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed/y gtdnj-sp8t ogp)q;np77yz5 fo 9 9i 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 objecfye ppc2jdw9x72ny dd8y/e* )tive with a focal length of 3.00 mm and an eyepiece of focal length n pdc )8xj2yee*dpfdyw 2/79y 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-c8r:h)j 1f/oh5l o0zuchp/ rtgfv5 h w0m barrel and an objective with a focal length of 8 /o5/hvguf h):czr8j1 tfo5 rpl0w0h h.0 mm. What is the focal length 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 of 10 vwrh:kel*pt39;gh8z ,y-1 j cl,jjip-5 rad. If the wavelength of the lighjjkh wg;9 r :yzptj* c1elp,3,l-iv 8ht from 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 designed to resolve objects whicq + b-f gv)18s8ptcwtsh are 0.010 mm apart. If the focal length of the objectiv-8s wtq pvgt1)bs +c8fe 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 aaib/(jn ka/( a 7 rs5m)q+prkchanges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum anglea7k/ira5na a()q/rkpmjs +b ( 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 Telesco 0+v nvvhi7l8tpe has been placed into Earth orbit by the space shuttle. What angular resolution could this telescolh0 tvi87v v+npe achieve if the wavelength is 500 nm?

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