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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://autodiscover.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://autodiscover.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 ex(2 9gndzpm e7xposed in a camera is determined by thegd2zme79xp ( n

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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 fil w-0kt )py,kk+ jsia(am 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 lens-film distance may( cich9spt 4-ds-yk vd(chuwp1jw,3( be varied by sliding the lenschpjs1k3(tu4,-(d- sicw9dch( p vy w forward 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 /y*osdwt 2m ./ygr k2xfilm with a field of view that corresponds approximately to that of normal vision is ryk2dw 2 rg/.my/s txo*eferred 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 imag-..frhgfu2 j )8+pwz gnnckt ;es 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 ,si8/qor pbt2hat of the eye and through which objects appear sma2,8ptobs / qirller 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 different ddm x uu1r6/ srg0j3+tfrom 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 eye occurs atn ui*-a2hjiu 3 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 objechg7 d8-6vuom9 i gzs9ots 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 see objehy,b n, c6zbu7cts 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 from front to back, the perswut1s6x+ bll,z0k9 pvon is likely to suffer0 xkluvs,t l1+p6bw9z 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 withj y+4ut-5ao2 :hijkh w

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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 toowz3roskj o6ylh -+1+v long from front to back, this gives rise to a vision defect that ca zhowsv+3ryj -6l 1+okn 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 tol;q3a lijt )7 ifvv*p4mxu3-oo short from front to back, the person is likely to suffer frotpvl 3;ioa4 v7lj*fiqu) mx-3m

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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 corrected wi7nd o(0h51a6slbqz0 qqp;c f:tdle p:th

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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 *j) uqv2fydk*uwcq9n4(4uhd tl;;t d front to back, this gives rise to a vision tdf2u4 utqd(;*nluq9c wj )d; *4vhkydefect 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 isg 6z-kvu/z lx1ibh,k5 a magnifying 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 lhf6-(a yp0ki-k+ 7gx vncu *yastronomical telescope k-l-g0a(icy*pvyun 76 x k +hfis

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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 tejwnk/))bca :alescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect wiljaw)anc b/k):l 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 visible sped+fa0ciqyn c8mmjc70 oh-6 ox *xm9:cctrum, in which of the following cases would you be able to best d0oh687xjd -i y0co+c 9 fqx:c ammmnc*istinguish 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 has a magnificatio0n888 nxat3viut zlw9 hc(enl 6(q2 dfn $m$. 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 taop6smy*9bn8el:qz t8/ t yq.o be able to see the greatest detail when using a microszel q8t* m:yn8a 9/b.p sqtyo6cope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer ftvo xzl, kwb2f)nov0ekj2;ooe ;, *3xrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer94fc tupli.te) (2 cqt lx+8sr 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 thko 2j1 e*g( cxaizv8hij2g9x,e 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 happens to its resolvimn.jis7 ug4e71g;tctwn lfev. v q14.ng power assuming that all other factors remain uf.c .7qvg1;. sgu 44let7vmwin ejn1 tnchanged? 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 lend9kgowti.k4 e/82 jdgs (in diopters) will allow this ped ikk t2gwg.4e9jo /8drson 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 objects:-lba,uxx sbaix92 8p more than 70.0 cm away. What power of lens should be prescribed if the glass is to be wop2xaui-x:a x bl b9s8,rn 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 glassesw .r-zq1 wd)/6oel0h)pk wikq whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to the kolkp.r0i-we/q z) )1dwh qw6 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 uncorrected nezyo inw q-3ylz z)ch, 4.ek-j1ar ehw 1zz)l,z3- k q.4yijyon-c point 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 100u6c g+dv-m0 nj cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. Wh-c+ v mng6dju0at 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 aybe0:d9+*3,z5u osnxrqm5s 9 k avomk newspaper held 25 cm from his eyes, if he wears glasse :b,5 5 on3s 9mxd*9seu0qyo k+zkrvams 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 l iu5h(1j9r ,rnpjuh4 hength of 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 infinity5r jpuh 4ji hh,9ru1n(?

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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 22net,6pe3usd++t ozc +p)atm 5 cm. What is the magnification of the lens for that person when their eyes arat+),e s z uoe3+tntmcd26+p pe 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 lengtx.,/fe ,culx mh of 7.0 cm. What is the magnification if the image is viewed by a relaxed ex,xuf/ .,cl emye?

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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 glqlxm z(ki6 0:rass. What6iz0qx k:r l(m 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 of focal length 5.0 cm as a magnifying gles7;1g f:gydbass. What is the magnification if the person's eye is regd7:b 1sg;fey laxed?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenseslr6d+k3i1cx 49jlvnvw 0)ocf of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses tovl03r+id cw4vcn 1)jkfl6o x 9 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 foca ,jvljyeyqy9r rz .:k n-+i)0za)go2 rl lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were kyyy l) i 9rz +.o),ar0e2jjrv n-:zgqto 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 y,0 d 5p1wnkxx3+eihn and its eyepiece has a focal0yxnndi5hwk+ 1p 3, xe 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 a magnification of 10. If s9 tuyhcs*ml1eo-x/9a2vdo 8the telescope has a convh/m 9s*ua- syo9tlo1cde28xverging 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 8 5 x/aq2etamhlewr0; with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resl52e0am/h taerxqw 8; ulting 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 tgyo:4 om-uck.4 jw( onhe telescope is limited to a length of 20 cm, what is the approximate focal-cno4ouj gm (o4wyk: . 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 lenqnv1z c*e:*x 8zksmk+ :zm ap/gth 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 objectivkvnz** :+ 1xzmzc 8p/saq e:kme. 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 a(aa/vjpcjf pg bns06 7 k8)7whn eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from tsg/7 nkhpa cbj0fp7w6 va()8jhe 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 ogu1,(xf/abb:p r ldcjp , .oe4bjective 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 is the total magnificationxcb,f1j,d: re 4(l/g p ap.obu?

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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 objectivd: osj01bb-hhzq 2y 2be with a focal length of 8.0 mm. What is the focal length of the eyepiece to g-0 y:hoqbbh 2j s21bdzive 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 constn and k)sp (wfl5*h3b;a.7ebhellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is thekb ndl.e*phsa 3(bnf5h; w )a7 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 0.010 mm i krq,pyfi0,+apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter of thk 0, qfi,pr+iye 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 of 3.5 mm to 17) dfkaiiw8e1x7d*zh .5 mm as the illumination is increased. By what factor does the minimum angle of re8 k )ei7zixdwdf *h17asolution 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 em-jo1x5 y/ oaEarth orbit by thjy51x -aoeo m/e space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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