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习题练习：Physics Unit25: Optical Instruments
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 120 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；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。本试卷的直接作答链接 https://51fly.win/test120.html
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 匿名未登录  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 sh xv+pf* 9e.fhcutter is open and the film is exposed in a camera is deter phvc*exf. +9fmined 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 reachilhs0(pj p63jl.1sv ko.h6u/yocw t 7 kng the film 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 distance may be sg5xaqwrxjhvfu3-d.)4 oog m89s8p3m 3q t 1 hvaried by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is o xq mah98)h83d v3j14xw.gqsgsfp5r m3ut o-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 covyc;de;1p.fokjtx0e. ers the film with a field of view that corresponds approximately to that of normal vision is refefo. eept;.x 0kyd; cj1rred 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+gd p/so0xkb/ 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 fm0kw 5yntw h--(vu :fdilm with a wider field of view than that of the eye and through which objects appear sd--wh: v5 (nymtkw0uf maller 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 fxf 0b:l/-xfs 2/ti yperom 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 ku x6)ygr.o9m)g -c rtlight by the 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 which an eye can seeyo1dpk i)imq67f/vek2z r:/x 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 clearlyc w+/sjn;m)wrw .*jnx 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 front4zkhyao t y,9+nz0+dy to back, the person is likely to suffer fromhn ozy4 ,a t9yyzd+k+0

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuallyaaxw/ut vmvm+ vn0et,7o* m9(;yso 0h 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 ba oss5 -a:;kk7o bjow)dck, this gives rise to a vision defect that can be corrected by u jko 5w7os:-bos;)k adsing

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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 sho4+z7 rqz l0atgrt from front to back, the person is likely to suffegzl4q ar+07tz r from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usu85q cm f7a,jrially 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 x r ;)f6* bqy*jllcjp2 pdagku8 xz062front to back, this gives rise to a vision defect that can be corrected by using*c z;xfq6ua822 j *lp0yjgp k)d6xlbr

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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 magnifyi.is) ufdz ktf*w794f+ph u3yxng 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 astronomical5ttm/6 (- or ocz;xys4.fkaii telescope sric5;k t(-oomfz.6 4 /tayixis

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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 relsk8(;s i . 2ospogya5fracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will this o;agk.2ssiso 8py (5lhave?

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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 spectrwrj8c1p lo 8;eu15wfvum, in which of the following cases would you be able to best distinguish betrvfo e;p 5l88j11u wwcween 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 has597xf a ,flteh a magnification $m$. 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 ablep2 xs +u*qlz+ fzd(k+gk9ex :e to see the greatest detail when using a microscope?s :z(gefx*+pd9+ qexu 2lzk+k

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffe3f.b/ 6pmpr/iz bqnb7r from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf.wmf.n)juza 4rb ( dp -5z.ieffer from

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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 ree 1oj5dqr8n 62zyl2acfers 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 doubledauhy 6nn(urw *4ky* l+j-1g nphfgg +4, what happens to its resolving power assuming that all other factors remain unchanged? Its resolving power**ung pg-yyn4hwk46na j+ l ugf (+1hr

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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 ijv8jdbfn0: iz8 (kl72g1s) w ;i rstpdiopters) will allow this person to ss n0(s:f;vlbijt) 17dkr 8w8z pgii2jee 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 o5maq 68. rg9 oq1ffylrbjects more than 70.0 cm away. What power of lens should be prescribed if t rqm9o.g5yqlrf1af86 he 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 glasses whose lenses have power o1pu dlmbo2k 6h,( o(oyf -0.15 D. What is the person's fa b6u2lodopm(( 1yh,okr 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 correctu;qus + -yw1 lq3(ishea ztth22 pme+* for farsightedness where the uncorrected near point is 75 s yt+imu (; sl - 22q*hq1tweuphz3ea+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 faz e4 u3s; w5saj-uuhs)rsighted person is 100 cm. She places reading glasses close to her eyes, a;s)jshzuusue4 35 aw -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 hef,1xss) k-. :vtudw kt wears glk. t) stxu,:dfsk v1-wasses 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 hqi:rm1 df7y: 37fg nmhas a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infinity?:h:yqgf f73rdmim 7 n1

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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 haskh9+eev /vk .a a near point of 25 cm. What +k ve/kha.e9v is 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 celkix34 * wwvb*u 4n)yl u2y+um. What is the magnification if the image is viewed be)uw llx+u4y b*inv2*u3k4 w yy 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 length 5.0 cm a*e e(zrir hz3e48 b :znsvcs*3s a magnifying glass. What is the maximum possible maz4zn*br 3s c83eehz* (i :vresgnification?

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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 3fo4 yy72p qbta magnifying glass. Whato32b 74fyt pqy 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 focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16akzf0 h;pxe8 8.0 cm. If you were to use any two of thespk ah8zef 80x;e 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 lej.eef5.l (jvoc9: xgjngths 2.0 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 sepfjj ece5g.vx.:9jo (laration 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 yxj ;rz l11qr91-fexnhas a focal length of 200 cm and its eyepiece has a focal lengty1 f1z9exl- jqxnrr;1h 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 telesgsj.8 :ynpb o9yba4t+cope with a magnification of 10. If thpyysj8a+bt49b.: og ne telescope has a converging lens of focal 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 a;9ie(y1n5i.. j3qol amiqtbb stronomical telescope with a magnification of 10. If thei5ion3 m9 .l ib.(teqj;b 1qya telescope has 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. I3 4;p ka4jc f8puniu ep2vqr3 :-zvxy(f the telescope is limited to a length of 20 cm, what is the x p j3ya uvn4u-2i8;(:rpezk cqp4v3f 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 of4oc0wuwm/. lz focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimu 40l.w oczmwu/m 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 f2exr2e zos- -cp-8f amgi*8r eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overxe22rf* rpec -s8ai --o8f gzmall 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 objectiverhxb*5:svh uru664-4 bb kxwp 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, wbk6w4x r4ru-bvx sb * 56:hpuhhat 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 oaf5+wo+bog-2 f+n g)iyy jx1length of 8.0 mm. What is the x+b i+joow agy fg-1yof52+ n)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 guz5p(bzw 7 z210-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just r5wbz(pu2z g 7zesolve 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/rwvjtj-lk474kpi-nq enu13 .010 mm apart. If the focal length of the objective is 4.0 cm and the waven-r71 jk p nwjkuvt3-q il44e/length 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 mmt/k-5rl)p / p5 1 dw4qbg f;9ek c5zuwngpvha) to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolutiow/pe5c zvg /g9kdp rn k)b)wpt5;-4hua5f1qln 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 halsw2:m5 m51ywrx 5mmi)lpne7 j4:mu ts been placed into Earth orbit by the space shuttle. What angular resolution could thi4jr1i 2 pytwuml ms 5l5nw5mm: )7e:mxs telescope achieve if the wavelength is 500 nm?

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本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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