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习题练习：Physics Unit25: Optical Instruments
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 120 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；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。本试卷的直接作答链接 https://51fly.win/test120.html
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 匿名未登录  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 sh t/ded4o,vevqxc,u :z2t b70eutter is open and the film is exposed in a camera is determineq ddz0ub/ 2,4 7vvxot,eece t:d 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 determined b5 q;jeq-cd nr ktvf2,)y 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 l vist6 +tj+lr8di ng8(ens-film 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 isn8trt( g6+ lvid ij+s8 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 w/r6k(3x o woskith a field of view that corresponds approximately to that ofok r/(ow3s kx6 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 n;(k a)cwk. cberbe 5s)uhci f1-i.7 rimages 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 filmad (x c+f st3f/oa*s3.a/hqk2 6vswa q with a wider field of view than that of the eye and through whicw3xsov2 sh3/*qaa+ kd q(6a/sf. afcth objects 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 r)c17 ybn2mot 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 v2kq ;m7 ex0-xep 3h6d3v rgslq)4i n ikb+np-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 whicbus1 (3z q k6-+0g4obw4lcozdb,ipe ch 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 can see objects dsq 6gvb0 nv2j5,o8tgclearly 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 tooh3roudg8 it hv- ;w,1z long from front to back, the person is likely to sufferv ,;uh3hdzr81iow-tg 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 co droz5kf n25cbe)la88l h*z6jrrected 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 j0ikhzwi0a183g c*ib to back, this gives rise to a visiongbi i0 a01z*iwhkc38j 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 pe p.( ahjve0h2frson is likely to suffer ha j2h0ep. f(vfrom

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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 wid9f/gv6 ,gkgl ,im/ie 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 front to back, thi o dhw 79pt6jhe))gi6yrvo02vs gives rise to a vision defect that can beidhvy o7vrepthg) jow 66029) 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 glxyh8(w0o:jtu ass?

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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 oan+5 1 *s4kt hs **o5zjsk(eo lo/cifzaa:)vobjective in an astronomical telescop *o) aos/i5z1n5atzs**ck4j+f(s: alehkvoo 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 forme25* d dl)wibuwd by a refracting telescope. Suppose an opaque screen is placed in front of the lower half *wd5b2u w d)liof 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 throughout.abphk3: w oxo2grw/vvd9 . )d 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 o).r db x/2oa vph9vw.d 3ko:wgbjective 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 magnificationg2 *s+d5is/ e lavum0f $m$. 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 woulbn0npsenr e*3i.r 2h 7e77pqg8dzm h1d you expect to be able to see the greatest detail when using a mis gb7qr7pnn.he1*7z e ehpd3ni2 m 0r8croscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufffrrv; *wmr+ k0axz 8ab/ob79qer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fromig*s+r n yy;2u)h5p jhx6 cep9

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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 rehg7c5 3c;sl ko::xuoufers 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 db fa)uh5 homg l68 - *w/b6j6)k+u.ejpcphi sgish is doubled, what happens to its resolving power assuming that all other factors remain unchanp.pha/ lc)wm f6ij-ku+u g sj5b*b8h )g66eohged? 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. x8iiw;h--po n , +izwt What lens (in diopters) will allow this persoiz +,8i-- niww;topx hn 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 more than 70.0 cm away. What power qts 9nn,+quk5 (e, arihpu 7p/of lens should be prescribed if the glass is to be worn 1.00 cm in front of the eyeqt7n ,qkuei+run5/s, pa (h9p?

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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. Wha efi8gu3y ;*mm-ycw(v t is the person's far point if the glasses are u*femgm-ivy ( yc ;w83very 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 where themzi j e3e97 o2egquas + nw1rblh:)./q uncorrected near point is 75 cml jsn3e:eo2q7qm g9hewr /+ b). i1zau?

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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 farsightedt /tb6gi7 (. ketocwopu/ -nrc )(7dpi person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is requir7pou7i .(t/t6 bnwp)egcki(/ -co t rded?

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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 xq+et8s1 i9lm, if he wears glassl q9xem+i8t s1es 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 le3+;jls gh,3pjsry he: )l 6kgength of 10 cm. A person has a near point of 25 cm. What is t 3 ss;gl+k je,g)rh3lhy6je:phe magnification of the lens for that person 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.;y4i8 u csp8mc A person has a near point of 25 cm. What is the magnifsc884umcpy i; ication of the lens for 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 aj ptx4z+h0ull8,o6yo focal length of 7.0 cm. What is the magnification if the i0 ,x6oyluo+plj h zt48mage 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 iay7 -11f- g4fjxmxjt 5.0 cm as a magnifying glass. What is the maximu -aytjxg1x7m 1f-f4ij m 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 okz.ov3rry2ju/. vbh 8 f focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye isk2 8rbh/ .ro zvyu.vj3 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 cm, 8.0 c5cx t(bt;uqan 3wa wf4 /p;e1mm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you could achievu;ceqaxt/ ; t3maw4(b1f 5pn we?

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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, 45.g+,j*t q nya-5x ia dh6dlbg.0 cm, 8.0 cm, and 16 cm. If you were to uqah+g lxaybj -6d ,g.n 5i5td*se 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 teles5dg opmj6l +crctl0z;fr -0.scope has a focal length of 200 cm and its eyepiece has a foogd0prltc 0c fz+js l.;6 5r-mcal 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 10.8wnq0j5efiw * If the telescope 5*i8e n fw0qjwhas 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 astronm0 fn ;e3dxqn 9*jp9vwomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resultin d9;vxq3e pwn 9mf*0njg 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 tuyj.nyw 0 glwv1d7a,,he telescope is limited to a length owul07 dvw .,nyj1ya,gf 20 cm, what is the approximate 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 focal len -a+pv eib0q h)+74xdtwx1ejzgth 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is pl7z a1pxeed+)v4bi twx q+0-jhaced 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 1.3zz2ap ql4z o54 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. Whatzazp32l o5z4q 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 ;vs w )ei +kyc8.p4gx wk)ch4ilength of 3.00 mm and an eyepiece xgkc8v4 h+w4pyseii ;) c)kw.of focal length 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 z2 *driq+y;f17wm j)k ;v asdsa 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification oid2a1zfq+ ; y)d;wjsv *s7krmf 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 v4:wqz(z3yhrconstellation Orion has an angular separation of 10-5 raz:3v 4(w rqzyhd. If the wavelength of the light 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 which are 0.010 mm qcb grq8. t2qcx+ ejk38b.e:x apart. If the focal length of the objective ise8 +2rbq8q . :kcgqc ejx3x.bt 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 e :yn u:)g*scfeyj+)bg ye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what fae :y)jf *y+bsugg):cn ctor 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 Hubblec9-v/ ka(45hgpkhwqd Space Telescope has been placed into Earth orbit by the space5dq hkpk a(vw9-ghc/ 4 shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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