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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 shutter is open and the film is exposed in a -bqtkv617o- ou 9aknp ufdc,ni5*4sncamera is determined,ionod-u9v6tu*15fk7 k 4 anpbqcs n- 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 t*99qxf1 ype9ai 5opyq he 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 lens-film distance may 5 5to57byi )o mpq2x x6f.njzybe varied by sliding the lens forward or backward with respecf5)tnop.yi5xyqj2o 5xz6b m7t 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 a field of view thatq+ v2qc60 twsd corresponds approximately to that of normal c60q+wq dtvs2 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 ma c8t95c- o3phm)jgykq gnify 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 co44l3ot5.u.u m b ecejivers the film with a wider field of view than that of the eye and through which objects app.iob4ct 45e3leu j u.mear 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 camer k ac*hddrr50no ;y;w0h,fcj ;a 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 hrpz rsli,jo9c+ ub3 e).cw 2+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 see objects clearl(b t6vdwur 6,zy 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 sek)( ,/njm gikze 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 fro2jtyonvg 9m l(b9dp3n0* gq 0fm front to back, the person is likely to suf(0 l0j 9b2d*v3 nfympot9qgngfer 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 coddubwcy5fl - j-k7p2 ;rrected 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 fronakt/u:9;l) wdjyb s )nt to back, this gives rise to a vision defect that can be correj/d ; skut)nyl)9ba w:cted 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 shori ;/xvu fj:b7 81f kt/wexja,xt from front to back, the person is likely to suffer fk,i f7;af/xw:ejt1x jvbx/ u8rom

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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 corrected1ixd x1uhft u:2;c z1f 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 back, this gi-n7*bts p6oua ves rise to a vision defect that can be corrected by usingbs* ntuao6-p7

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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 glasscocw 7k/m t;a/paeo, ms9m4r 1?

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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. q5(; qr1kcil kdqng8 objective in an astronomical telesk15; ( q8qd.ckrnl iqgcope 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 telescout xjx6c5s c)5ekk ls 3lx57a0pe. Suppose an opaque screen is placed in front of the lower half of the ob6)lk5 a 07u5xxkc5ls jx3cetsjective 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 sensitjwx 4u vcw(383susn- nivity throughout the visible spectrum, in which of the following cases wou3nx-u ssnv jc4(8ww3 uld you be able to best distinguish 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 magnificatigtf j m)767j:9cgwdowkl u-k:on $m$. 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 ables qlu+yz*epf) 6t)(ul4 xhm /y to see the greatest detail when using a micro)my)us ey*+lpx / (6tuzlhq4fscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fi73nj lxd6yxgn. ;l .vrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffe hyo+ ws/g2i4j)y5rjz r 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 refi) ap6d8xymq 0ers 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 u5zvxd+tax 64hm/-c sdoubled, what happens to its resolving power assumi4z/ xst m-h56 vd+uaxcng 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. What lens (in diopter*+d7(in iqg9ti5cgads) will allow this person to see dn+cg t(i59 dq7g*diai istant 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 le6oo8.w pg-ttlns should be prescribed if tt- p.l8woog6 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 w2/*s qgpk7 jtfdn* +5glw5c tlears glasses whose lenses have power of -0.15 D. What is t g/t d*5kqs 5*nt7l gpfjwc+2lhe person'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 njw ,3a+d(bde 5wg0gteeeded to correct for farsightedness where the uncorrected neard( b jg3g0wdeet,a5+ w 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 100 cm. She plazy2- r4d8 f 3elzwjh*aces reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. Whalj e daz 3*wfy-zhr824t 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 rcze g. t4p wzueie:*g5 *5uhz6ead a newspaper held 25 cm from his eyes, if he wears glasses of*it:ueg6e.hew 4 gpc5z *z5uz
+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 rsu+gk(2v (z2 005qmn lm dhhus5vr*xfocal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their 2*mgv( dqm 0 0sn(rh+52u5lvsur hxkzeyes 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 povzj.0bus99)sj)d vk6 5p *w jto ieo-bo2tc:q int of 25 cm. What isi2q :ojvtjzw)bd 95o9se*up s0o .-tk vb jc)6 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 cm. What is ;vu7 w0*pnsh rthe magnification if the image is viewed by a r0pvw sur7;*nh elaxed 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 jd3)4l tv:cui as a magnifying glass. What is the maximum possible m: dtv4)3ji cluagnification?

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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 magni)p- xkd21j2be 4xd zt;s6wbp ufying glass. What is the magnificpwz4t6 dj xb2)u k; -bx2sde1pation if the person's 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 focal lengths 2.0 cm, 4.0 cm, 8.0 cm, an7cbwhz9w/f75 d d4jgud 16.0 cm. If you were to use any two of these lenses to build a telescope, whatjbcd5dw9zh4/ 7u gfw7 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,xqsd1r.qwh 01 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telesco r dws.qxh11q0pe, 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 o*i9/gg e)3xyvnl1k3dgn46 hf/fn tq yf 200 cm and its eyepiece has a focal leng3kfign)t f l6gqn/y n *yhg3vd41xe/9th 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 astronom7vs pap*urh(a/p ry 2 z48/nkxical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, 7/rz kp* s(4px8ha yuapr v2n/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 of 10. If t 8+qi wo84hrdlhe telesco8ld8ro +iwh4qpe has a converging lens of focal length 50 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 telesco ubwb++-;w j: tkceyby)-han jjc3l34pe. If the telescope is limited to a length of 20 cm+bb)jceb +an4y: jw-j3kw l3thc u;y -, 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 ofsyy5q3h 8- tyva 6op6k gb9k;n focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.qvtph6;58k-oak3 6 ysny9 bgy5 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 mm and kj+flq /9ehxi3d:zy4o ; 6cuz an eyepiece of focal length 20 mm, adjusted for min;le3 / +xzqcf4di ozy uhk:9j6imum 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 eync:wk6cpmng3 nzcf9 ) 8xrzj:1cb4- cepiece of f kp3bn:j6 x gcn-cc4frzc8 nw:mz1 )c9ocal 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 has9bohlvwf1 ;.gg /9g.a q;chfx a 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 magniffx c1b;h99g.l;afgvw/ qhg.oication 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 constella 9 dnr8q0wes:zkbq p10tion Orion has an angular separation of 10-5 r0zwqns10 beqr9 :p8dkad. 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 apart. a7nc(kya :j1qcot4yd:o8 fr (If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diamct41 8ny jofr aqy((7oda:k:ceter 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 00hfnsgj qj/ o5c2qj,diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what /c5hsqnoj 00g qj,2jf factor does the minimum angle of resolution change?

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51#
 
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  The 2.4-m reflecting Hubble Space Telescoz) lr*j:yv,qfft 2 (7mwrnzz.pe has been placed into Earth orbit by the space shuttle. Whjzvz: rf)(l *ynm.qf w,72rz tat angular resolution could this telescope achieve if the wavelength is 500 nm?

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