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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 8m 2gg(y3uamo in a camera is determined by tmao8 g32 (gyumhe

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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 camz:05o y(ierher9 avn4j4pr c6 era 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 varie7xol*qv.ph nl+qt(t0de53n qt- ,y9w ) bf qird by sliding the lens forward or backward with respect to the camera housing. If, with such abqf5.*h tt-dln+o9vy 0nlt3 ),pqwxqe7r i (q 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 or 1f3 s o- gxd)d 4ytnr/8e;qokor4cy:f view that corresponds approximatelnrr3-4y/)ok sfy d eo;rc4xq:d ot1g8y to that of 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 l /(q za;x 2lcim-)tvzlike a telescope 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 f z1b2cyfj79 5 jcnydd5 c;ow5jield of view than that of the eye and through which objects appear smallern cdc 2z j1b5o5y5f7;y9cw jdj 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 waysa*4yh ix /wb;l;06yvrgtyi3 dod 0pc5 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 eye occurs at 3ccyqbz +cd.2the

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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 svwfm/ +* h4,ae6w :rd,cc8 dueggmowp;6d 4vzee 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 objh1 tvb /ezlvo2vvu5 q-w*b,my7qz9 e0 ects 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 back, the persu.vt+0wcckmlv 0 584s z wwx9won is likely to suffer fro9lz wwkw0u vswx ccv850tm4+.m

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually be9 2tv lw- ekdg6x9dr8c corrected 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 risexk)ltz-+s p sdc4wfjes//9 f1 to a vision defect that can b)sfe t -p/jd+zsw4f9cl/ xks1e 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 person is l6w40lljq .cix ikely to sufferl .l64xj0cw iq from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can us)dz(ep m,efzq7e0xdo 2(:b x fvd:) 3vbxeqk:ually 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 shoox:/8 + si8 oc2ix)ffa +twbhrrt from front to back, this gives rise to a vision defect that can be correctt+b )8ahs8+/cf2: iiwx r oxofed 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 magnygk,gmv ) mg1gj24n 8pifying 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 l (rcta,r+p)ld arge diameter objective in an astronomical telescope i)rp(, crdal+t s

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider the image forq+n d*9s+ ,mh)nqyqkrmed by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. *d yqmn9+qrq+,sh) nk 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 wg3r t+a 5,sokthroughout the visible spectrum, in which of the following cases would you be able to best distingagkr+t,ws o3 5uish 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 mahfe8 a/. pq6fqk c-l4agnification $m$. 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 t -a/ x(8jw :;s/bejmke7uqimoo be able to see the greatest detail when using a microscope eba (m-mj;/qj/ suiek 78wo:x?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer 6pk5d k*rtpa30 8v h8wd23tdeawy5ut 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 fhk v0sn l rxa.vf:x,19rom

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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 miciiv mpdpk lw5x 4l/7t*v2r4rx2l w+ 3proscope 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 doub: 786 me-hb bl/juup,w .mub7d6fdx ijled, what happens to its resolving power assuming that all other factors remain unchanged? :,6 p u 6elb8 ubu7/.hidmfmbjdxjw -7Its 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 fjahqb+; m.hyym f h97;ar point of 18 cm. What lens (in diopters) will allow this person to se7;;mja .h9m yqbhfy +he 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. 5l9/bow kq/el+tgj:q What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of tb/w5k ltl/:9g +o eqqjhe 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 powd: xthsq-p0kq4vb d:x c95 v6ner of -0.15 D. What is the person's far p cbd4vq v xh:56 k09:sd-qxtpnoint 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 t ov.s6bd9 4 *agrp2jzuo correct for farsightedness where the uncorrected near po . *r96aodgsbpj z2vu4int 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 cc7xpl b +u)yej*hz 0x6lose to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. Wxhje+l*)z6yc u px0b7hat 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 7g tb2(p0 ) +ohrozmh- fh*26n vp-ryyjqgy.s25 cm from his eyes, if he wears glasses offyb-hrmgvnzoqo -y * . y(sp t hphr6+27j20)g
+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 fonext 4l0tf+s)3x*b36n hwb p scal length of 10 cm. A person has a near point of 25 cm. Whawb3tt*x sns) hlex 40 +6nfpb3t is the 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. A person hasxhm5s i9 m,g; 3jtnm6fne6 lo+ a near point of 25 cm. What is6;hteo j 3mg+i,n6 s xf9lmnm5 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 the magnificatlbx-pl/ r+rwpmj z(,t/r7b s4ion if the image imllr47, xprpz+tbrw(/-bsj/ s 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 lenv7vealst kn4h 53w +3ugth 5.0 cm as a magnifying glass. What is the maximum possible magnificatiostl4evn+3hk3u75w v a n?

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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 u: adr0m-73apnedk(fmagnifying glass. What is the magnification if the person's eye is relnd0p7r e(-ku:fmad3aaxed?

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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, 4.0pg 7)bd:rp9w fr-yj :+rc(n hq 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 magnifp c)7 :bh-qr9w : dy+(rrpfgjnication 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.eko -l,o q0lvsgx.2y0wjkk7(0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telesksgyvqk(,.0- x7kjl2 0owl oecope, 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 200 cm and its eyepiece has5zhnfxeu7 ;mr d(97l z a focal length7x95ed;(mz lf7n z ruh 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 sxaur3;fe: s.p1 uj/z of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length ofpux:3sjua ezrs f /;.1 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 magnif/ 0 usmik;pv2oication of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telesco2v ;pismku/o0 pe?

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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 thefkda j7 f; jl* 39csja.d2+iam telescope is limited to a length of 20 cm, what is thefjaam27 +j af*d;.lsk93 dicj 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 a ,wwl9wr/+iqz f8 zcn (k0h8enn eyepiece of focal0rwz knqi n8el8w+hz w(/9cf, length 20 mm, adjusted for minimum eyestrain. 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 objective lens of focal length 1.4 mm and an eyepiece of foc0 w1*vrm-8 r/ opwwplgal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from th1o/0vrpw-l*8 g pwwrme 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.m1q+lgv lx *,g zpg8 1h*8);aawg 3fwj,qnhip00 mm and an eyepiece of focal length 6.00 cm. If the two lenslpg1h lwg+hazm vaqf* 8iwgg x )npj,3 ;q,1*8es 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 barp d(6vw1j6m./j6 hcdrp i tu;jrel and an objective with a focal length of 8.0d vjth ui6( p1j.6mcwj; /rd6p mm. What is the focal length 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 1 kprg /acizgy ;3h6f.10-5 rad. If the wavelength of the light from ;k3h pygrg6czi/1 fa. 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 objucnufl7rpr-,9 ub )9ggo6 6qlects 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 objectiv6 ,crlq)b n6uufo9-ug7l9rg p e?

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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 ov)y-iwvzg 1n+ e*;w9nh s5xwif 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution changh +ze;1v iwn x-w)*svni59wy ge?

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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 placed iit6p.*7 jlkof4hgj: gl iae5/nto Earth orbit by the space shuttle. What angular resolution could this telescope achi5f i*jek ta4 hig/pj 7o:lgl6.eve if the wavelength is 500 nm?

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