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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 shutlk snum05j6 1wter is open and the film is exposed in a camera is determju0l6 ms15nwk ined 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 reac +zwd6z fth7ynw -(l-ehing 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 reflex camera the lwwd0l+f ;u314gwa sgy ens-film distance may be varied by sliding the lens forwa34f+dwwlu 1 0 gw;sgayrd 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 h/ dt9*1nmexn+jlu (a a field of view that corresponds approximately to that of normal vision d*+ e mlt (a/nxh1nu9jis 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 l9 zdho8f 39b2xrl1q1rwx+cqgike 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 wider field of view than t 6 )hnurbl1*fyhat of the eye and through which objects appear smaller is 6h1 ulf*y)nbr 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 cz(,o gqryxwa 8x2 l4h-amera 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 refractione5.6 t4 q k9ebntzy7i 9p9csut 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 s *xqr.+s8jxp6 -ik08eejyj zhex u.s,ee 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 anbyi;( w,ak ,wjn(/2xie6cf jo eye can 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 frd tl y9yef9f9ra ym6b.a4wu9w 9 2tb.ha*nlg4om front to back, the person is likely to suffer frolwbatu*md 6 a9yty r.g2h f .99y4ae9bn wfl49m

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually bxxjy8yr 7t.,w e 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 too long from front to bacoabe46 v6qs q ud7u( +d6/,d6nndjp kvk, this gives rise to a vision defect that can be corrected by ueud s(qd k d6av+66n d/jvon64,upq7bsing

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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/ fmvh2hn.u j-s q,b qsjl6b)yz+n,5dson is likely to s+q2yujq.n6fz/v bs-j), snbdhhl, 5m 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 u p sk 5kja(*gcco9q4h;sually 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 front2kt auutf/ws +qzno s41(c5 ,d to back, this gives rise to a vision defect that caz+o dw4sutu 2qc ft(1/,nksa5n 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 magnifying gvj2gddpcwew /f( : l1dklq ::)uha-/ylass?

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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 inyyiwvb rss:mn6h7 wtr: b)+ 98 an astronomical t nywbby98 rw i6:vt): +hs7rmselescope 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 ij*lungw f8+9is placed in front of the lower half of the g9fjwn i8ul *+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 sensi)x-g y ixpgo b0jos)z3;mhd7 k8ahu;7tivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens ref hsd-zo7y;axj0u)x;g)38 boih pm7 kgerred 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 az.xjm(6m -xr;o9 zgyaq t// dt 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 expe se7qxb. s/68gen ke +modli;.ct to be able to see the greatest detail when using a be.q6xe mdk gs /le7;oi8 .+nsmicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer emcp-qmpm8s,zs,a:u 9n1 u* dfrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer wop l/y6h(uoz 1h4 k+ifrom

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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 rezkk :h:dz0; jdfers 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 . zm v2h/n*g6zsuh wm6happens to its resolving power assuming that all other factors remain unchanged? Its h.nm*smhu 6zvgz 6w/ 2resolving 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 .i+5qfc. vsrh y k, :k.zi;mirfar point of 18 cm. What lens (in diopters) will allow this person to see diyi;r5v .irc +.z,sf iqmhkk.:stant 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 cmy/wl ,fplz55i /rmp,m away. What power of lens should b5ym pz/mrlil5 ,p/f,w e prescribed 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 o/xry i*ij-9pq xmk3 9zf -0.15 D. What is the person'sypikr x99-3m*q / zxij 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 c5g;r 96k fu7 ik bp8jxz-lv,rwhere the uncorrected near p 5, fk7vc- grk9 zb8pj;lx6ruioint 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 104o; w llrll/-/lekoes y(:9jx0 cm. She places reading glasses close t ell/9 jk-(4llor /yes:;wlx oo her eyes, and with them she can 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 helye(xqwm g6 *e8h s,5oyd 25 cm from his eyes, if he wears glassessqe*w5ey6h8oygxm ( , 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 ofi3 3 *qziaq8yz 25 cm. What is the magnification of the lens for that p*ya q3zi z8i3qerson 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 a near point of 25 erpt)4( y.z ancm. What is the magnification of the lens fr4 .()pa enyztor 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 w72i:ikmmweww l84,j the magnification if the imw4m2,w j8 k:i m7iwlweage 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 q1+(k4lu1 na5lfnapwu. 7zv dcm as a magnifying glass. What is the fkd(anw +vza 7ql14. pu15lunmaximum 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 as a magnifying glass. W :1 -pw8b8ewopnf1 mc nl9;l/cv-)yllr 6s lhhhat is the magnification if the person's eye is relaxey 8w1p98l1-v) eno /hl nc ;cs6lpblfm:-whrl d?

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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 fs+-+cnr vqbn xn9(ca6ocal 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 telescope,+ n v6sn-+ca qn9bxrc( 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 lense kwg1th, s9:zgs of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenzsgh,9:gt w k1ses 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 focalxcb, 9q)t/cq e length of 200 cm and its eyepiece has a focal le9bqc,/t)c qxength 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 a magnification of 1 xb) v4 js(oypmz7.si 5p(zkr10. If the telescope has s7kzr bmy 1op.i( v5sx(4p zj)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 with a magnification oz8lapo,)+xn af 10. If the telescope has a converging lens of focal length zalxa 8,)op +n50 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 a lenkjhtd. 2c.zb y1zs5gu0:vk, igth of 20 cm, what is the approximat1t5 hy jkz,v.cu.i kds0gz2b:e 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 le8 euo7kxy84 lfns of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum e8uy8 xfe7lo4kyestrain. 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 of focal length 1.4 p j,j;5jhb4 u/hpulcw n7 ;2qumm 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 overall;q 25unjh/ phbj4cw;uu7,jpl 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 xo9sukl1* p( ea 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 is the total magnifix*u1o9p(sekl cation?

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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 x:+ccq mexb cf0khr0:,h*th /and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to gqc*+x/erfc0bm0c hx:hkt:h ,ive 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 seip7t- zc0ou;wo+a2a 3,3cvtto bqr+ u paration of 10-5 rad. If the wavelength of the light from the system is 500 nm, wh07o+ uc2- ba3,p toiacvqr+3two ut;zat 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 desigoi *3 n0eyld:y,gea v(ka79lwned to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm ayl: w9yk30ed e7,gniav l*( aond 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 diameter of8p 9/pa);f8lrp;ia7bm dclyh 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of8a )pplrbcfpa9l ;7md8/ih;y resolution change?

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  The 2.4-m reflecting Hubble Space Telescope has been 1c fa p*):b:xyti*kse placed into Earth orbit by the space shuttle. What angular rep::f*istb)* xk cay1 esolution could this telescope achieve if the wavelength is 500 nm?

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