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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 the5d k 5 2,vndq3mgk:rvo shutter is open and the film is exposed in a camera is determined by ,rvo5 25gdd :knqkm3v 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 camerndndx80w g. m6y 5+w4cwkxib7a 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 theulljb6,wb0iz9 p) cc 1:sh3mv lens-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 is obtained, this meaup0 :l,lz vibbhjccw)sm16 93ns 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 view that correspow5*b +g9 wgizs*u :zk)im8 .a pcgntj0nds approximately to that of normal vision is referred to asams:zbkggi. uw )ng0 *c98+wt*z5 i pj 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 9k1 oh, .wprwwdi1y*7 ri h7nxtelescope 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 d6 nik-ypzs.+31dfp ethat of the eye and through which objects appeazi+d3 e-6dn kpypf.s1r 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 ca*uis:pu/ enyy* n8mye 0alh65:;hl namera 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 of light by the eb tt;fk/x t*9p0iwm 3jn)kn/ oye 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 see objects clearlr :(k nfdp,y*ny 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 cleap 0o04yq5n mfwrly 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 frontd88ln1sn 81(ra ytwrp to back, the person is likely to suffer wdnp8s 1arr 1nytl88(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 0 d -;73ghcxbr6 q8zwrvm5lqqrrected 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 gi9n rfi; c8nhx08fee: hves rise to a vision defect that can be :x erhinh89cf8e 0f n;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 backkz uc(. a p9;(uoo1smf5xvf6z, the person is likely to suf9c.zkofm(u1uo5fzas( ;vp6 x fer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usua/ 9jhei/ jvhr3xf7dq.lly 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 7 ;4fqs-w sqogshort from front to back, this gives rise to a vision defect that canof;qsgs -q47w 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 magnifybp 6da y+m, r0hauuf q/8/dn9eing 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 diameteetd- d,88v0kqd+eapnb g)6nj r objective in an astronomical k6-gjvnn0qatd,e8 b8ded )p +telescope 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. Suppos1e 1l+hwq+z (r .jqnqde an opaque screen is placed in front of the lower half of the objective lens. Whatd q.1+qz1h(renjlq +w 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 thedg)w q;ck3+fw;9 ognwr hrc,;v nlr+9 visible spectrum, in which of the following cases would you be able to best r w9+;3dq9 rvh+k wfn; goncg)l rc,;wdistinguish 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 has6m*g 9a0nds ar a 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 expect to be able to see the greatu, ,j5bfk6id xest detail when using a microscope?i 5jfudx,k b,6

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frortauuuf-a .1b5 ,p l9wk g30xcm7 l0flm

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors su:;mggrv - x0,yaj* bfmffer 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 mici(b loguub33)iom7cnx(e4 v 0t:r5ms roscope refers 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 ilw6f-j2s5+ 6ql /fjj9zihj uts doubled, what happens to its resolving power assufj/ jw-fljq6s 65thu 29j+zli ming that 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. br l b,lfiysll574h89 What lens (in diopters) will allow this person to5sblfyr79l lhl8 , ib4 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 of lensk ;fif(n/;uh b should be prescrib(i;k hnfu/;bfed 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 of -0.15 D. What is j , b/c b)-v 7je5ir2-ug5 3odbwovzccthe person's far point if the glasses are very clo5b 2 ovcb)e-rwj/3 vd7o5 uczg,bi-cj se 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 farsightedg e hp60n/ius/s;nm i1ness where the uncorrected neag/n1pu/ mess0;n6i hir 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 gbhj 8p: q97m;7oci nffarsighted person is 100 cm. She places reading glasses close to her eyes, and with them sh7j:;b f 9c7on8qhmpige 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 helbvky di:y1a wlb/( cv-7 +fbe9d 25 cm from his eyes, if he wears glasses okye+bbdf:vw-y19 7vi/acl( b f
+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 mtlp oyt8dg 4 w 9dr4mh,41.ezpoint of 25 cm. What is the magnification of the lens for that person when their eyes are eor4,49lm 4d twhzmgtd8y1.pfocused 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 pers7y n9ihj*2h7ws*t fed wx04k don has a near point of 25 cm. Wki 4 * 9djt07df*xhshw7y2wne hat is the magnification 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 a focal length of 7.0 c2.ly9 nxow,pz m. What is the magnification if the image y.oxp,l z92wnis 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 magnif* k4ntq3fpe p/edp05v ying glass. What is the maximum possible magnificati3kvtq p5 en 0f/dp*4peon?

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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 d l rxu olf5+7h(xd*,psu zu;2focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is rsuzuop d+, 7x*5h2(lu; xdlfrelaxed?

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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 focz0rf5qiql yrc m:,*)p al lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of tqc)mi0r *fyz r:,pq5lhese 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 l srwyh mo/ig:8+8 f3shenses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnification telescope? hi+:f8g osrys8/whm3

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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 focaxww svy801)q73quep ,r4uaf rh .al(pl length of 200 cm and its eyepiece has a focal length o,pwrp4.37aqu 1hl)0x( vr wfy uq8s aef
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 teleic+3pgkox)8 kscope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, 8c+o 3) xpgkikwhat 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 teleq;l h-t:rr, jilzm3 ;vscope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of t; ; 3ijltlrz:, rqvh-mhe 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. Ilo+ *o*tbj va(;qy7k mp0wqk 1oi*m4h.nvu /qf the telescope is limited to a length of 20 cm, what is the approximate foc.;/hk1(+vq0maompo ij*7*bklq v q*ny tou 4wal 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 andea df-io e(w 5ph.sk82 an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is place 2ah dipkseo- (we.58fd 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 lengt9,l lokp a,f.n1 abo,vh 1.4 mm and an eyepiece of focal length 20 mm, adjusted vk ,9,fo1 a nabpll.o,for minimum 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 3nja 7d j5y8je).00 mm and an eyepiece of focal length 6.00 cm. If the two5ey j87njjd)a 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 focal drnny- dm z77.length of 8.0 mm. What is the focal length of the eyepiece to give a total magnific. y-nnd77 drzmation 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 aqitvxhm(a7dk , 74l.fn angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is .at,vd7lxiq7 khf4m (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 object)/im w:ytt-rmc jz i)9s which are 0.010 mm apart. If the focal length of the ob-wyt9 :/ mtcmrji iz))jective 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 changes from a diameter of 3.54hibi3y73lvf :f*b qj mm to 1.5 mm as the illumination is increased. By what factor doeji* yb4 3f:vib7hq 3fls 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 Teles4 5e5gsqw9k( e txmu+gcope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve ifu4 wq m5+5ex 9get(ksg the wavelength is 500 nm?

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