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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 ig): 8ej; iaykbs4l(m y st:dm,ee1 o3wvc36sgs open and the film is exposed in a camera is determined b wolgj36 ctveb)8s,(mi4y;mase: g 1: d3kesyy 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 camerm(qj,bq8- /ixkjwu+ h a 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 d e +it+rm4 wxcgs9ojqu 6:1l*the lens-film distance may be varied by sliding the lens forward or backward with respect oj+9g m6t*u1ice4 x:lswd+ r qto 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 that corqvhsshn x lmk j0 /gp fp4q x/i;elx*j:7a5;0-responds approximately to t js:4/i0m7/kh 0; j;alv*-xh5sqfgexxl pqnphat 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 like a telescope to mage*av,w k6bf/9 5 */skqpbpnannify 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 field of view a 2.9qncc(qt xthan that of the eye and through which object(nq2t x9caq .cs 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 wwrluc s)h)jc6lc .x ygq 6/a3i3+dt u7ays 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 8mp645yqh cch( bwvf ,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 c.kjrqge4c6oysz82b fgyox) jx * m2(;learly 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 v8r f kh5nnc (n+,qt6m2b5l-h euy,lz eye can 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 fu ;*h6b8.8 3dkxaavw n0,a aivpj1w ztront to back, the person is likely to suf3 8tvn ;.6a,jphzwb08xiu aaak1dwv * fer 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 correcte*sdpg0f:y o+z d 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 vio5qgry m h07hz 74vs0:ewskogb4(2mg sion defect that can be corrected by usim hb0 h(g sgvq442mr5:7ko 7esg o0yzwng

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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 likely 23m 2t yfa mkm6:cy u :ea1ra3wjrdl(.to suffer fromla2yekjdct:mr.(3rfu3 6may2w : am1

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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 c3qyr u06r6ty(b2o-pn (bhb7trn:hw rorrected 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 r 5to9kt3ff7cl ise to a vision defect that can k3cf t795 tflobe 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 magegr *9g2ihbfb(-ao m3 nifying 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 90ton(pmkw)u0q vop ; using a very large diameter objective in an astronomical tel m t0vukqp;nw)p0o(o9escope 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 an opaque d 89jdvg dd;qaj78q;iscreen is placed in front of the lower half of iqd; d7;vjad9q88dgjthe 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 visible gq50pu1qjr :b6r1aqfspectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objectivbq1gqfa6:r qju 0 5r1pe 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 magnifiek1m k lsuzsf1w8:2y88;pq rbcation $m$. 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 lighff,b ) t5c/:gn/cpjgki. hc -lt would you expect to be able to see the greatest detail when- /b,:kj). glnficc ptch /fg5 using a microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer f lyrhwc(t)1z0rom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frw 4b r;+ak e.q;xmxvh7om

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power oi+ss(,fw 1oe cfl/p y1f a microscope 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 dd9 okj6s)hsv z0 gr5b(oubled, what happens to its resolving power assuming that all other factors remain sov (gk)z d95b6jshr0unchanged? 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 rf-t 2plubx8 9cm. What lens (in diopters) will allow this person to ul82xr9bp-tf 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 dq-.s/0a txp hyr09rcaway. What power of lens should be prescribed if the glass is to0t09 qxrh.p/ys a c-dr 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 5 fwpsm5n *b2azvqk35 glasses whose lenses have power of -0.15 D. What is the person'55*kf3m awnsvqp52b zs 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 corz*o z w0x88ia .qxdv)drect for farsightedness where the uncorrected near poi *. zax880diwzx)v doqnt 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 100mnhp-fljj1stt h.w -z,ua:p-m *j *h0 cm. She places reading glasses close to her eyes, anm w:1h*lts-,jz-0 *a pp-ht. hmjjuf nd with them she can comfortably 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, if bs-kd h:w6gpj,yg,fe;)t a z 5g2vgc 0he wears glasses ofz -;tk: g0) d,ewg25yh,a6cgsgpfb jv
+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 an2)sbqv - fv1ur1edq /,j)xc of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person wh-b2csja /xdf1r1v)) uqeq, v nen 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 has7y je-4d )inj;u jqoz4 a focal 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 eyes are focused at their near pn7 e4)u jodj-z;qyij 4oint?

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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 magnification if .vrjw8u96 oly the image is viewed by a rer 9w.vlyju86olaxed 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 foccj7*tlj m.pqre 0i, k-al length 5.0 cm as a magnifying glass. What is the maximum posi,.tj mlq-70 j pke*rcsible 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.xmiq3zpl : pdi 7;a7p5u0wvm30 cm as a magnifying glass. What is the magnificati pzl0:i3wmx7; qud5pma pvi37 on 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 ldt2x97ecn9fqn8+rngf y (ez )enses of focal 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, what is the maxx2e d 7qf (ycg9tzn8n erf+9)nimum 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, 88 ,d0gf7zx wui dm0es..0 cm, and 16 cm. If you were to use any two of t7im,d.8d 0 gz0 fesuxwhese 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 telescopeoa:6)rvuvfm cpuw( b w73cf15 has a focal length of 200 cm and its eyepiece has a focal lengtfrwmv5fb1)c36up wa: u vc 7(oh 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 g9 cb;aqntl)chk) e3,a magnification of 10. If the telescope has a converging lens of focal) 9cq cktla geh)n;3b, 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 astronomical te +q7cxqc4af( alescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of tqf7cx4qa c(a+he 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 tudlqi/8 iwl tqq;opt -cl+3 m.f1ua99he telescope is limited to a length of 20 cm, what is the approxim9 ioa1wpql9t8/il 3 .;qd uc+fmt- qulate 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 objectiveb+isfp vk4r;7 lens of focal length 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. 4;rp vsbf k+i7How 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 objective2;4v5 guw4h bg hhum7p lens of focal length 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. What is the overall magnific7m vwh4h4p 5guhubg;2ation?

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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 m3nl2npf+8g hi(,y 1l8l(wrtq32afozg +qxc 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,2+c zqnf lnm 8pah8l g+xy1lw 32ti 3of((rqg 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 withx)nuf dn18:7x w2dnyp a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnificatin: wd2) n8xyxfu1pd n7on 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 constelr .b2 ej1eye6clation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diae 6ce21ye.jrbmeter) 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 0.010v3m0aqi 9lu2 ep7egz ; mm apart. If the focal length of the objective is9al egu307mpiqz;2v e 4.0 cm and the wavelength 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 from a diameter of 3.5 mm to 1.5 mm as thg o5qq7nl5,7 l hvi;fge illumination is increased. By what factor does the minimum angle of resolutio fgnql7oh;lg ,i57q5vn 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 placed into Earo-0x.rvzw w 8/ wleyz6th orbit by the space shuttle. What angul8w6yx .ewl /rvzwo0-zar resolution could this telescope achieve if the wavelength is 500 nm?

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