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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://autoconfig.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://autoconfig.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 camera ise 46 36 rpqoy.k1nfsft determined bp 4qo n1tyf 3es6kfr.6y 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 cameray15jx/h e+ :icglo*f g 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 be va j:x n9(f*6e vmthrnx)6i6bbx ried by sliding the lens forward or backward with respect to the camera houmni6fej9n ( xb*tbh)v:6x rx6sing. 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 fyjk* 5uy9dj*hlnw n 97ilm with a field of view that corresponds approximately to that ohd9 j9l *nn*y 7ykju5wf 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 images isy7cixcjt v k )xte.hi5 xgi-. -aa,,7z 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 ygbl1oyt c x,1. ,tvih)c6iu(film with a wider field of view than that of the eye and through which objects appear smaller is refil itgch bxcty., o)y1v6 ,1(uerred 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 followb 8ppk 0rr8gk w8s)kgb8 4w*xm)7hrzio: xwh1ing ways is a camera 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 nf c.uyt)xovk/+,fg 1eye 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 sexafhg,jk 0xaak :) i2 vo0:f4qx7bf 0ge 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 objectfejvmy b50 brqsid 2g; u9/:x0s 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 bh 9g9zv; kux/q0tse8b ack, the person is likely to suffer fr hkexs9v g/utb0q;9 z8om

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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 coe4vt7qvc by wntt8 0*5rrected 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 b(w c7 weft7+8m5rcamzack, this gives rise to a vision defect that can be correct78zfwemcar 7w+t 5(m ced 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 shor406ozom. hnb /fus*lit from front to back, the person is likely to suffer mbo f.zh/0* s nl4ou6ifrom

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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 corr85yx0a3 yi1)quh6n eoo.xbwqected 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 s4507rhmv3c vk fd7zpsz d c1a9hort from front to back, this gives rise to a vision defect that can be corrected5rd471vdfh p0zz9c vm3ksac7 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 glassx:j;4 2djfpv y3xbq* l?

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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 diameteh 4gw0)ylo)z5ephz trn04 .uar objective in an astronomical telesc5trg yz.wp)nz e 404 ho0l)uahope 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 refrac2yu.tx g3 tl3jting telescope. Suppose an opaque screen is placed in front of the loweru3ygtxj2l 3 .t 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 has uniform sensitivity throughout the visibl91e6x f/8n ubv+i5) ehtmldf fe spectrum, in which of the followine9l5mni ef dt/b f8v1)fh6+xug cases would 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 magnifica p,whfc(qb;hi,oi2 drc+i9 n2uzw 6* stion $m$. 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 j3u*q7jl1 utxv(pup an)y. 0xbe able to see the greatest detail when using a pqxj1utl*)a.0uvuynp 73j (xmicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufferk q(fyv+lz*jqpq))1pe /* dgl from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufferj h/n2s+d3;p+a tv)r xnkpy, i 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 the abilif gd( x44n-z(nzm*8 l.nvhcec ty 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, is 3( kpy)5y au20fiiywhat happens to its resolving power assuming that all other factors remain unchanged? Its iifiy0k yy5s2 u3)(apresolving 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 71iie/mtk4 gm/8ompf has a far point of 18 cm. What lens (in diopters) will allow this pers oi e871k/ip ftgm/mm4on 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 os 2,1d.xcap cdf lens should be prescribed if the glass is to be worn 1.00 cm in front oacsd 21xp.c ,df 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 halokgff3.lrmyo d 73uvg 9z + ri0p37m3ve power of -0.15 D. What is the person's far point if the glasses are very clp 9 y3z0gufif.d77rkl3 o+gmr3omvl3 ose 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 the uncorrec l y5q;lnld-6wted nearw;ql6 5l-ny dl 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 plahk -/xmg2c+aoces reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance- x 2omh+/agck 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 held 25 cm from h bz2p,/c*kar fy vwi.5is eyes, if he wears glass2yvp,i.wafrk b *c5z /es 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 fn0 ,d5 7 mumw3uicm3blength of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that perf i37,d0b m5 wm3umncuson 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 ot5(7t 0:q ojjuqz6: ip.ra3 h6kntk ytf 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 focusnkuk3:pq(6q6 .zt or 0 :tjih5ta7ytj ed 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 lengtv 5piu vq r7j4j2xnjxpf:f ,q6rth2h +d:,0lth of 7.0 cm. What is the magnification if the image is viewed by q npijljx27tr6t4,fj +, rh :2xd5p qf0vv:hua 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 magn .u3 e/exbhgw8mw- 4rwifying glass. What is the maximum possible magnific/bur ew. ge8hx3-w4wmation?

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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 magnifying43qvmz 3swhuwv/e 54t i.kg(g glass. What is the magng h/5w sgu( 34weqiztm3v4.k vification 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 lengt*: py p5l1 yc-c/swly vu:1miehs 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you couyuw1yl-1el vcpy*: :s/5 pcimld 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,-/zmd-xt f 7ny 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of thex-t-dz 7fym/n se 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 lengdl- 5fkb5vm 4xlj x,d,j8o7hs th of 200 cm and its eyepiece has a focal lejb k mxv5ls,7 lod-dfhj8,x 45ngth 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 winxo)h)gr -j 6+i ggwp6th a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal lghig og6nr)x-6+p)jw ength 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 uwzp7ucu3 )t gyww+ -:of 10. If the twuuw-u) tpw :y7gc+z3 elescope 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 telescope. If the tqis;-6cnu 8 pqelescope is limited to a length of 20 cm, what is the approximate cnu; p-is68 qqfocal 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 adissj:k a,lhsz rl+z cv/j(/9j):sc ;n eyepiece of focal length 20 mm, adjusted for minimum eyj:j:/azslslh/, c v;i( rs +9zjdsk)cestrain. A blood 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 objectibg:ewo he wukh-j* 5;v61f/ilve lens of focal length 1.4 mm and an eyepiece of focal lve1j bho6-w 5:kie/w*ul;f hgength 20 mm, adjusted 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 objfpdaah)f -pfl;, //xte 8qj8p 9gye9s ective 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 i9fa /-a8h pt/8yg9pqefjsld,p;)exf s 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 objectimj (e+i)6tcagd*p: rzve with a focal length of 8.0 mm. What is the focal lengthr)pc j i:te* a(zgmd6+ of the eyepiece to give 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 constellation Orion has an angular separation of 1zoo5h a l-z)q jp;5+dy ixcbg3i 83ql7-y ain/0-5 rad. If the wavelength of the light from the system is 500 n-z-xgcq;oi +) l 7 y/j a5ypba3dhi53znqoil8m, 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 own- n6s,5 rv naz9.kfobjects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used,v nfn9k.r-szna6 w5o 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 diameteqhg.wox6r4 ;8ys +wlkr of 3.5 mm to 1.5 mm as the illumination is x6qrow8l+ 4hwsk;y .gincreased. 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 pl0kq aoks *zt*(bm hu76aced into Earth orbit by the space shuttle. What angular resolution couldzk*k hmbtqs 0u(67 oa* this telescope achieve if the wavelength is 500 nm?

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