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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 o 7 +,5boismb nknx;.ya camera is determine. i7kym5o+ ns ;no,xbbd 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 ifvk ljf+ 2:4ehy 0i tdf*png*4n 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 distance may be varixc6 7fz,a ax;y**gh v3bgl 6cj h03akked by sliding the lens forward v7,y0b3hka;hx aagxl*g36 fc6*zc kjor backward with respect to 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 v *7orha+ k9gvaiew that corresponds approximately to that of normal vision is referred to as av*a rk9g+7oa h

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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 td71)0i9uqngk;z/ km6yco ot like 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 field of view than that of av6lp.3jh n;9/ue j0tpdg0idthe eye and through whicnd i l9/0 pg ;uva.60jdjtp3heh 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 camera different from the hup3; ivfu3w81r1a9k g t/:t:w tslwnvs xn5ou7 man 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 x0s 4uuct5c h(eye 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 s7yz 2)lu gzdf4k1 vsl/ji.x(which 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 sx)l/qgli v/3aa j17ss1a/kr q. tof9see 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 person is lirjli eb:1vnou09 0;b(1hiwhd. te wa*kely to suft.bv(h: awr 9ewjd1;h enblo i1 *0i0ufer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can u,,y8n wz29ejr ,kkjc psually 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 to bacw6i fm5xjv i2m4+l p/qk, this gives rise to a vision defect that can be correcte6m fxmjplv/2 q54w +iid 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 fa;ps+jrdg * xpylar-)5vq70likely to suffer from+-ry;5gd 7)vf* aqprlsjx 0pa

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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 corr1pb6 bxkulr ar 4zr)u:iu x(rk)dsx -0r43.urected 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 5c9ya ss gg*-x7u5eiy;(lcx)ya 4e bbgives rise to a vision defect that can be corg9yx xu; 7c5ys bag( a5c)iees4*yl-brected 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 magnifyinoq4cm1)b k6jc g 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 c r3u 5muoz*g,very large diameter objective in an astronomical telem5cz,r *u3o ugscope 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 op-sw8aj i6y:hqaque screen is placed in front of the lower half of the objective lens. What effect 6-8ais:wqy h jwill 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 spectrcff/90p mr0jb *dq 5xdum, in which of the following cases would you be able to best distd0j*9 dbfm/q rc0xf5pinguish 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 magnificationg f4 cot7mk3)ytjyl559t tq.r $m$. 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 g16guj zt/kl v6 v1sb-able to see the greatest detail when using l/ kvu1bjgts1v6zg-6 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 wmcl c na4j9on+,+w 4 mw5+jlqfrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fq ,(facb)hnp 4rom

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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 ability eroyd( 2hr(x;a7+sx f 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 yzlp:hkg+,uhov43p: is doubled, what happens to its resolving power assuming that all other factors remain unchanged? Ity lg3 +ko,hv4hz: p:pus 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 +2c *28c,r-k rni dw cqigrkq8point of 18 cm. What lens (in diopters) will allow this person to see distant objects cleackq8 ,q+2 i nk*ir-2cwgc rd8rrly?

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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 cl-hna zljp97 1b;4wds gearly objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 z94l-wbd hj;p71sn a gcm 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 io* tvhj8yltbm59f7 mvbb2-,:rcxj h ( s the person's far point if the glasses are very close to the er7-tm(hb:jt5f2c bhy*mx8bl v9 v o, jyes?

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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 faru kqc*qhp/5 wkgw042ic02r jasightedness where the uncorrected near point is 4 2cpqc5i gqa0 /u0kwjkr2w* h75 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 10u )0c)*e x2jeq7in3 cyh- v ghwgjv,)w0 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a dise)whc*u q2jew, njv )vxg)gci 07y3-htance 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 ashg 3491k pvzq5ov* c qfzo5w/ newspaper held 25 cm from his eyes, if he wears glasse/1w hqck q g 59*szz3oo4vvp5fs 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 leng.aodj f:1ew-x ik8h2xy95jf tth of 10 cm. A person has a near point of 25 cm. What is the magnificadf ft 8 .jx:9h ikw2oj15-xyaetion 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 has a near pointxm7(dnunqeih f (l;: . of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their near;f . qxnhl(7deun:(im 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 magnification if tp)c hh9i6 cff/dmi,1 bhe image is 6 ,/p )cid fmi1hbhc9fviewed 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 focalcpnn9tviw *tm0f*1- a4f1rn n length 5.0 cm as a magnifying glass. What is cfrv4a i *tnn1mf-pntw 19n*0the 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 cm as a magni6 hu5qm l/4xb/aws+kzfying glass. What is t5+/akzmwu hxlbs 6/q4he 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 focal lengths 2.0 cm, 4.0 cm, 8.d(vo+z 8 qj-z5w7s dad0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, d(o+5dz-sw8qj a7v zdwhat 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 2i8cd ;u p+zu.q.0 cm, 4.0 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 separation for the c;qi p.udz 8u+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 dg(.vzi,y :lcd* 0e mxc/ v6xdof 200 cm and its eyepiece has a,g(xv6zxdm/di:y cce*. 0 dvl focal length 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 rq6 nsbe8 )u12wk7bzvastronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the fo7 16e k2) w8nbrvsqbzucal 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 a gd axlqmw70sqi: ;08mn astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resultin07smaq m lg0xq8;diw:g 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 lengthqqmde r+ w1 bd.-lkcvh4:w9 n- of 20 cm, what is the approximate focal lengtb+q-9 w1nqm :d hle4 kr-.wdcvh 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 objl+4nhnaeh 14 xective 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. How far apart a4+han 41neh xlre 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 ofz4e15p9w o x3dqn-cww focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overow-nqpe3 cwxw9d45z 1 all 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 ;i.m i p8c/ox/2*yrgsn ozt4 dfocal 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 is the total mag zg/xoocn 8rmi sdt.y /*ip;24nification?

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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 a/a0f x eix).fnnr hc gm:7qr1*nd an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 207. g rf/a)xfm:in1*nc hrqe x40?

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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 Oriopaf6t6)bwgra7 kxdo9o a6::qn 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 (diameter) telescope that can just resolve the two 96dao6kgx of pq7aw)rat ::b6stars?

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope b b 6+5ap ywp5y(o8htdis designed 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 diamet+bbh 6 py(a5oy8p5d twer 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 .kr5n:qza-6mvxt d +*ufp*z 7umjhm8changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum anglp8qh+m:7* *azur6 n kuxm fm5 vjd-z.te 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 placed into Earth orbit by hll /zrao8b 2-the space shuttle. What angular resola28- bhz/o rllution could this telescope achieve if the wavelength is 500 nm?

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