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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://mail.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://mail.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 f73vhi-d/2s-:wo x sppi xaf, lilm is exposed in a camera is determined-ixh,73 p2f-/ai:dpv w lsxso 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 camera is determiqsn7o-gc,c v*k2cf h(ned 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-filiq rgn n:d;u33y*h( bqm 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 obta(rdh *3 qing:;3qubyn ined, 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 view9a h..0pmgg0ff eaka( that corresponds approximately to that of normal visionhm0p.a( f f gakae0g9. 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 imo:p5i7 ox mf,yages 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 fi )is. vyu /vno/,mhg o4e3z0kzn1cck(eld of view than that of the eye and through which ob1.u o(zo,e k/ivns3v/ cgzn04ykcmh) 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 differentc/ /g0gt,x(bepvy3j ,8 6ylsdss- ndy 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 t2w g2n/+dj)rc gjjhn(he 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 anqfcd) 8o x+xssx27y-z 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 seet31rjaa.v9g:q xkw5b k3j6+ hnk je/c 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 toop3fgqdt 8.c6f5iovuwt((v)7y h 6g hz jxsn*2 long from front to back, the person is likely to suffer frogtfht6 j8)p .5xycq vho7( d gw6nfvi*3usz(2m

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuab-1xjbt+1d v ., bygfah6 rc,vlly 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 too long from front to back, this gg+s-) wvughg: :pm7w aives rise to a vision7vap:w+gg uwh s)-m:g 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 frwl 24.imdg,k ront to back, the person is likely to sufferd, lmrw24ki g. 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 correctki0u,8qr,wwnx w lysa0;h 3v5ed 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 br :gf;7ycspmv(jw 1e5ack, this gives rise to a vision defect that can be corrvy5g7je1(pm:f ws ; crected 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 glass;0f:s 969vy 9h faro srz2axdw?

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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 diametob e ja--9tr /n7dhow3er objective in an astronomical telescop9en-j/ w 3aobrdot7h -e 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 telescope6 cp:xa*o rv*u. Suppose an opaque screen is placear c*p 6*xvou:d 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 hasbl3 aj2mi,7eyx p78 yn uniform sensitivity throughout 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 teleiyp37la ,y2b7 nm jx8escope 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 magn iu..jg(w-m74mxl zxrification $m$. 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 ex,svpd- h yja(o+v9 e9mcx kb48pect to be able to see the greatest detail when using a microsco dx om+av98byshj, 4c ep9k(-vpe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromg)))vkle c;c d1q5hb,o8rmgg

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufferk)4b ;tdd0 ugx 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 th0qnk -ha/cd bp460tl ae 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 df,wfib :rfl81 s2 slq-*3ciej oubled, what happens to its resolving power assuming that all other j q,i1fswfeci8lb *r2sl:3- ffactors 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 fiyw ;) r ,j;jyjnxko j7;h6d2nar point of 18 cm. What lens (in diopters) will allow this person to see distant ob i;k6;j,j oyynnh;xwrj dj)7 2jects 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 poi ,0r*4q+j ut.bdmetkwer of lens should be prescribed if the glass is q0i du4,*tr.jb+ emkt 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 whos pjw,,7zc kou9e lenses have power of -0.15 D. What is the p 7,jup k,woz9cerson'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 correct fos ytimi8pyn)s eqn* 6e(6+oi +r farsightedness where the uncorrected near point is 75* eiy)iy(6tse68 + qn +imnpso 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 placemnv49 (pa7 xigs reading glasses close to her eyes, and with them she can comfortably read a newspaper ax749mg( apinv t 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 hr2d6i12e)nut aoqwx s28e8e weld 25 cm from his eyes, if he wears glasses 82a8 w)1dioeqt sxe2 2w n6eruof
+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 les7xx2lmlnt1xd c9s4b6g5cd i dcnw.. 7c*vy) ngth of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that pcbg.sswc 9ymi5d)7. x1 tv nn4ccldlxd x6*27erson 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 ha5s,zce-cm;s qs a near point of 25 cm. What is the magnification of the lens for,sc5 -zs me;cq 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 g/2lgb2t : *xg:d0h-ci:,t d lxoquoe7.0 cm. What is the magnification if the image isgbltc eggoqd/2 2ixx: dl,0oh u t:*-: 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 magnifying glass.w-bnhgxd vb5gy1 qq* g*; i*w2 What is the maximum possibl *vgwq d1-*yn 2x*q;5bghgwbie 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 mwl/y iw 4u2r-v8la cp9agnifying glass. What is the magnification if the person's wclriwypl9u av8/4-2 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(ap pu)*ny4hc focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If yyp* u4p(anch)ou were to use any two 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 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. jwpwkl 37l 7wgx-6, cr If you were to use any two of these lenses to build a tgl7jxwp w lwrk3-c ,76elescope, 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 eyepiece h nzy.+igpc y-2as a focal length og ycyi2-. zn+pf
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 ayz (n6o 1djz4cn astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal len4yondz 1(j c6zgth 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 astrp xkuo-:)dirh2 bqlxl db2.s.4sw9i: onomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting le2): burhli-d.k 2bwsqsloxd i :xp94.ngth 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 lengt 1rgtrdf.(k5o h of 20 cm, what is the approximate foct5 1rf.odg kr(al 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 0bw +cbb9d my8s16 asean eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A bl9basy8cbebd6s0 +m w1ood 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 objectivex2 .iz iwx(cr9 lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum .xi(rz 2x9icw eyestrain. A blood sample is placed 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 objective with a focal length of 3.00 mm and an eyezhnq h; p-y z1 x.zmo8uqby7j:6+. rfspiece of focal length 6.00 cm. xph 1 ofmy7r:qhz.yj-uz 8.6nqbs+z;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 objective with a +v k9ii6t*g.ihjzky -focal length of 8.0 mm. What is the focal length of the eyepiece to give aigi* zvik -6yj9kh+.t 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 ka*-i,-zmbzu +hv;f f 10-5 rad. If the wavelength of the light from the system is 500 nm, whhafv;bzuk, -+ fi-*z mat 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 0.g7tokhbs0ht )vs * - rw-k ef+g0*3guq010 mm apart. If the focal length of the objective is 4.0 cgo 00*-)uh 7fkrttges 3*bwq-hs+vkg m 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 eyeac sggi6b/, r-q/tki 0 changes from a diameter of 3.5 mm to 1.5 mm as the illumination is ,0i bgr/ /gik-6qcats 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 has been placed into Eumr m/5 l0ld9j;r5uvkarth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelengthkm/ lrur ;0 9vu5dlmj5 is 500 nm?

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