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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://mail.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://mail.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 openj ;upq4fsh,pw 6gm56awkw261 dx rd9t and the film is exposed in a camera is determin69 6ddjmth ap,qwpg2k6us5x f14wrw; ed 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 the film in a camera i)hujb1f vbh (5s 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-fily cymz3 6zbas6 zcwa, )adq-n4-ub*b 3m 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 i zycasna6 dbwb3-mu)63abcq4z , z* -ys 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 that corrde7l s *7 *dnn)nx9bfuj4pup8esponds approximately to that of normal vision is r lbd9j7u8 *u)e74fnd pnxn*sp eferred 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 71dp42 k mmzpwis 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 that of cr(rj) /i n6inthe eye and through which rj ( /i6i)ncrnobjects 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 cnn 2k28 satn/j dh6v*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 eye occurp)v *)rmyx /q;kla6z msim, q0s 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 s ,t1qgke5gq9dv x u779vdao.unt / 25rnt-qpwee 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 canldbls k-wruqp)o*323ble *m3 see 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 from front to back, the p-i: 6qdenml)x v9z /xperson is likely to suffer /npxx):z m-lq vd9e 6ifrom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuallyh1sxq -e im-imzy c*65 be 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 )8saqnf3cxo+upog c3o0 / m nt77a9g oto back, this gives rise to a vision defect that can n 3o 3gxo unm9s 7gaq ocp8)caf7o0/+tbe 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 be::67q b6qs72l akme dh;eug6 fe;swiack, the person is likely to suffer frib: kmaq66 f7;; eqgeees2h ld7:ws 6uom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuolivl.3t yr.x8z8w w x:5m. cjally 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 bag 1a64mb-dj9 biwty3wck, this gives rise to a vision defect that can be correctedgt y3-i m j49bwad6w1b 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 w,sw(n1sp(mzb n* mr wz(0i4/ivrl0 skx/ 6lwa magnifying 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 a rcxzi9d- b0 fc4y76afor using a very large diameter objective in an astronomical r4 6ya-bizf0d c7 cxa9telescope 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 refjowy nd*f38f 2racting telescope. Suppose an opaque screen is placed in front of the loweroffj3w8 * y2nd 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 througck+9y,dh*cvp u1-e qg; wyz;whout the visible spectrum, in which of the following cases would you be able to best distinguish- eh c 1w+yc9kg;ud;*vw,qypz 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 magnification 52n :ozhqu;upox wf0 8$m$. 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 greatest detail whe,,j5c pnqkjfq/ k-r yy;f9hm8 n using a mij h q5,qfyrf, ;8 m/n-9kkjcpycroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fow b +qvly-4x 9jva30from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fror2jlhl*u6 .n b1 bk8lum

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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 w09m aosn/tjc4 /a3dud lea67to 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 dishcw f + 1h iy5mdqswf 6o+5tx-esg-pq23 is doubled, what happens to its resolving power assuming that all other facto3tf+qqigm6x 1s hs5wp--e2+oyd 5c wf rs 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 cmbxf8 uycusv.,eqk)/8j v fv88. What lens (in diopters) will allow.)fuv uvqfkv/ xj8ce ,by8s88 this person 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 awayu6k1bky-u03f 5l0znyqs loe0. What power of lens should be prescribed if the glass i3ufke ykz5nsyb0qu6l0 -1o l0s 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 ism 0nlq p9 f3svw7qr6p/ the person's far point ifs67qnwpm /9lqvr pf30 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 farsightedness where trhv0 n:wh e/p18i,q h.eam(xjm5/g vyhe uncorrected near point mv8,ev/g:/rwnp 1qh(y x.0hiem a5 h jis 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 clc0 powd0ioetvf5 (3f,q 8unv6ose to her eyes, and with them she can comfortably read a newspaper at a distance of 20efvo f0i8c(wt, pd6 qou35vn 5 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 r8t1mo9 0fds qd daa6ty8q0 lk+ead a newspaper held 25 cm from his eyes, if he wears glasses ofyk08qa9 d0+1mdald 86 q tsfot
+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 foi /4unmm 7ufd 4xcp0s.cal length of 10 cm. A person has a near point of 25 cm. What is the magnification of tiuu70 cf.m/xn pms d44he 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 focx g 5b /)2+eh0kc9flfzzqej+a;t qie*al length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that perso2fe/fj09qleh+ iatx cz b )ezqg*+;k5n 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 len( 8r09 idp*n7p (wfhvh9.. frwjuxm dngth of 7.0 cm. What is the magnification if the image is viewed by a relaxed ewd j9 (8n.rxh*7idnrf phv9w0.pu fm( ye?

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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 magnifying gl3b4* n3r1w*zi7;tyi hdwni/z su d (pmass. What is the 1 *bz3n 7 ;i iz3/d*iwnmph4utrs(wd ymaximum 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 cm as a magnifying glass.r;1+cn:f;1yes hd bh2hzlu2g Whah;:cug21y h 1lzr+fds2b; hent 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 v;wg7lczj yzx0y1i +c: u3ns.focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use7g0 ;i y.xu1 ywczjvcsznl:3+ any two of these 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 lenses of focal lengths 2.0 cm, 4.0dtcu9t *vv1d4 hbd em9a *;pt+ 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 sep +9ttt 1em;c*dpd vva9h4bud*aration 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 206+ qy c5bt+fuo0 cm and its eyepiece has a focal length ou65ytqb +c+f 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 magnificatibd ,cjv0 izak7y rtm*2ib /9p;on of 10. If the telescope has a converging lens of ,;2j9zid ikyrp/*bm 7ca0tvbfocal length 50 cm, 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 astram,gblq / n)jf7+w)dlonomical telescope with a magnification of 10. If the telescope h fjb,q )ll7mn)/+wg daas 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 telescope is limis z5 9tt6 kh*-wdp4snyvq vg95ted to a length of 20 cm, what is th-wq 9nvtv65ptyszdk*g9 h 4s5e 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 len-icia;c)o jht i1,vl;z dlw6 /gth 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far aavc idco z;1; -l)6/jt,wihilpart 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 myl ;ej s9k)ibur;,k,eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.bmr),,;uj kseik 9 ;yl5 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 w/6x 7r qv5ck,r sokjpf8l90gan objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the tw9 5vkwj7orlcks 6qx 8r,/p0fgo 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 lenghwodoj py.kf -x+f8 d7.aud 3/th of 8.0 mm. What is the focal length of the eyepiece to give a total magnification o/h3+7ywd-of dxfk8 uj .o da.pf 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 1e-xc7pm szp s6.p4 ae50-5 rad. If the wavelength ofcze s6sp7p5e. a m-px4 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 a.x v4jjg-*vn,jc9 kw wre 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wwcg -.wv,*nv xk4jjj9 avelength 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 fro qywhj 9-95,ggu5w rd8ks2 dmom a diameter of 3.5 mm to 1.5 mm as the illumination is increased. h5d9ygm-9jr,o uw wqg2sd k85By 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 placeah .md*yo1:7lr 1ze amd into Earth orbit by the space shuttle. What angular resolution could this 7 :rlhd*1.zmmoa eya 1telescope achieve if the wavelength is 500 nm?

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