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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 camera is de9 jmapw qu;2 (;yov;kwtermined ;;mq2wwpvkjy(o; ua 9by 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 filma/z)jsu2(-r 6 *ozkiobwpwf 2 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 d;*k yomiew6 n/istance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with suo/m w *ke;in6ych 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 ow/ lvplc3n05uf view that corresponds approximately to that of normal vision is referred tol0un c/ p5l3vw 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 tele8 : r8navm- w4n2-v xlybvk+ hvpv59lrscope 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 wiq a;;qc z9 jehxh7q7b;anr.)nq mv/n0der field of view than that of the eb0 nh).vqnqq xh q;79 /nr ca7ea;mj;zye and through which 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 t/5 dcl6m s:gs-d 8mgkcamera 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 eye ,lb6eudn r6zah(s0f 8occurs 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 wh r)w.4wx9wgksich 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 cleac7jvs83a8ho u rly 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 person is likely tiypbh4h9n9.y1 s5n k3o4ab/k +b snkvo suffer 9s ib+3 nnopn9sbbyak 4k5hhyk/.v41from

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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 cora, v+2ax veze) p2ycy,rected 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 gives rise to a vian*;zfo ft 6/dsion detzf/;d n *aof6fect 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 frdw 8 (3saqrkkzqfta7)9u. ,cqont to back, the person is likely to su)a w78qka. ukqct(3q ,zs9rfdffer 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 jy,m,)ngt)xynif0 ( rlly 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 short from front to back, this gives rise to a k4etckqm e: ):vision)ecq4ke ::tk m defect 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 is a magnifyingjf5)j ;rkj+s lfia oxeot 46qlwn9*09 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 astrono2kwzp.zzzhueq0qneq c ;g.385-v 5 qbmical telescozq 5hgc 0.z;v2 z 5wq3uqe-n bqk.ezp8pe 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. Suppose.8)vfxvt om 6w an opaque screen is placed in front of the lower half of t6)t.o8 mvwvf xhe 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 througqbv5 -uc *wsi ghv0b)7hout the visible spectrum, in which of the following cases would you be able to best distinguish betbhv ius- 0cqw57v* b)gween 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 magnificationit *f5j.tcc:96kda 1jl) uu vr $m$. 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 ligh6 6kh47l2id+kmy bcw.gl or +yt would you expect to be able to see the greatest detail when using a mb 6irk7c4y +hglkl m62 y.od+wicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suf t 3ha1yyr t0g7-3/icllgo9ihfer 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 fyf4a2ev5y( q /u0pvo ek6b qo.rom

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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 micro0e k8) j; oyc3gxypz3oscope 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 is doubled, what halzd2rw97 hg9nppens to its resolving power assd29n hlr7gw9 zuming 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 diopters) will : q1wzk9uljj i1ob. b*allow this person to see distant objectb.qz*91juib 1k wj:ol s 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 5. +o+td uo onf2kqv4zclearly objects more than 70.0 cm away. What power of lens should be prescri 5qdz k u.++vno2ft4oobed 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 gd c3; *j8zaavojox- 7olasses whose lenses have power of -0.15 D. What is the oa* xjvaocod8z7j 3;-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 needed to correct for farsigybeuj (ae 52,8k4mqqc htedness where the uncorrected nearye5e( c8a2m,4qqjkbu 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 places reading glasses cli3q1r bs2*tvb mj59yb7gngy 7ose to her eyes, and with them she can comfort9bbvjr3tiyqg g1nb*y 77 52msably 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 held 25 cm from his eyes, a ru+ adhrj 6-t1,i.jjif he wears gl.r dj 1ahtijj ur6-+,aasses 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 length of 10 cm. A person has a near poi; ks++ ;uinyuint of 25 cm. What is thn++iuu ;y ik;se 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 cmnf: o)jpelak i8:8chjaw +tqou (001w. A person has a near point of 25 cm. What is the magnificatoa kow:)qi uc:jn 8ptaj81+00h fl(e wion 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 isb)p-4jvaz+ - dmvq+xx the magnification if the imag-d+vbmpj)vax z4+q x-e 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 foyvq83u;f au8wcal length 5.0 cm as a magnifying glass. Whatu 3;88waqy uvf 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 ccqt/nnxex2+ /m as a magnifying glass. Whc/nqxx+t2n/ eat is the magnification 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 focalp6cg)3n/fc hy hrok8l i j785l lengths 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, whath j6n8 3kglcifp7lc5o/hry)8 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 //d8t+hohst,n ay f9ls:kv)b 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 bafhvty l/ n+:sdso8thb9 /),kuild 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 cl1upsaf :)zl7 eb-q(sj7l8w 200 cm and its eyepiece has a focal lengthbs1):a l lzwq (-f7ecjuls 7p8 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 magzf hshdh,cjui o+oltlc ;.;6:4;r*pb nification of 10. If the telescope has a converging lens of focal length 50 cm, what is the ,rhus6 *;ljtfcc:d4bphi .h ozol; +;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 astrony 6s i,m p(u.e+hext4q8k(f bnomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, whath84up ,+i 6f(qbkemn.xesy (t 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 telescope is limited to a length uw,fv z gsburq2 28hbq-/)oz1 of 20 cm, what is th2)urz-f8u1h/obqw,b qzgv s 2 e 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 length 1.4 mm and an eyepiece ofo: c ajv0cg.n2b uy;7jpwnnzb (2dnr:hq74 g0 focal length 20 mm, adjusted for minimum eyestrain. A bloodjr(agn:7odz. :b n2 cn;yvgn7 b0pj0c w4qhu 2 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 objective lens of focal length 1.4 mm and an av/ a yh1c1.w( y;kcdneyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sampla1y(ckn ;cvdah1wy ./e 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 wie0 qum(1g.h pyth a focal length of 3.00 mm and an eyepiece of qmephu1 .gy 0(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 tsyh4-/ xfm b3has 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 magnificahbm s4y 3-f/xttion 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 md 4yhr0- kh2r 3ogr-qan angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescorg- 3h0do2k 4 qyrm-rhpe 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 designedy.rb ohngo-s-b 9 n,a9 to resolve objects which are 0.010 mm 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 the objectivr .b,o-9nbynsh9a -goe?

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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 change9 ;j i uwf/500oyfphpis from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution ch j9 ihufp00iw;5fop y/ange?

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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 Hu2xe 3 d eourmlrhj- 4tf*kd *.(fy2p.obble Space Telescope has been placed into Earth orbit by the spact yfp *22u.o4x (-*rldo.krf3jhdm eee shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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