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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 shutn2s:i49zpguw f jsf3ox 6l5u,ter is open and the film is exposed in a camera is determinefjlsfgp64oz,5su3 :x nu9w2id 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 is. q,xip82 5c7e9pdtcomt hyu 5:r *lbv 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 val)6zj0tqn wj slqm4k7 goap j9+yp87( ried by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy piclpp7k)swzj8 nt yoam9g (4q qlj760+jture 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 corresponds appr, q uwo)sj1f:hoxis :j,uo hwf1)qmately 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 like a telescope to magnify iuyjr5/h 1i-91hcn2vnw fory 6 mages 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 vuzrm i 62vr k 8)y;1bbg)*yrmiiew than that of the eye and through which objects appear smaller is referredikibr1) 2;rz *ygby 6u v)mmr8 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 ca jks*;z eozs49 (pjf9ymera 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 refractipe1l f*)4j of6wc rd1con of light 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 an6 iwsg/hc. pqtowx((7 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 ao ld4 v-q97co2 *.pvi*my:i a ldyhct0t which an 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 :w( +dbc gv.vifront to back, the person is likely to suffer f+v. wd:i( gbvcrom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuakq/aqzu9 ;)xjlly 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 back, th (lftyxot) i2d 9zd4i9is gives rise to a vision defect that cant9d )(4 oilfzxyidt9 2 be 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 frmdc f7jo thr bv7s).8z gp8c6/ont to back, the person is likely to suffer frompb)z. o8 dvs6jrcgc7ft /78hm

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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 corrected wlnf8:hlb d.b/bxlwn/rn- 19bith

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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 f;mpo9tfjw4 hmf4 w9t5 rom front to back, this gives rise to a vision defect thatwj 5fmo9w4hf4t ;t9mp can be 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 mahg/,mr0: go1.dre ktugnifying 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 diamepof) 9utctb9 4n y9-hzter objective in an astronomical telescope th) o9z 99bcut y-4pnfis

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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 telescoj-iz(ar e .vo6pe. Suppose an opaque screen is placed in front of the lower half of the objective lens.aeri. - o(j6vz 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 usznf v/ 1w8jno m6 itilzc4188hed has uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to 1ic1lio 6 88/ tz8jhfn4mnvwzis 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 magnificatieqi4vu m.f2lz 1pio55w;lf6mq/bhm) on $m$. 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 f+ nm ;0ivgh/igreatest detail when ;h+mf0 vig/niusing 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 suff 1z ;v2nfebk(p -3d7s.utwoiher from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffe nb1uads48e;f. ue7tnr 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 microsco7ic0ef prde3f,b )uo1pe 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 doubled, what hrovj.r e7;t9 e:la qio ah /xz/n(9l4mappens to its resolving power assuming that all other vh9:rx/7 ear;q. tn i/j4( 9zoalomelfactors 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 pov7hm 2w, gsj2oj- imow2t4u o8int of 18 cm. What lens (in diopters) will allow this person to see distant objects mjo hm22,4sotvi2uo-wgj w7 8clearly?

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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. What power otz) 7 csovn7oo:cn-y8f lens should be prescribed if the glass is to bezc7:c7t)y osv8o-onn 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 lenss* 1llk*9w: bhr,5ltjq* qldel8fvz9es have power of -0.15 D. What is the person's farq1 9l,*jlqld kbv ll:5 f*s*wezh98tr 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 col3ffcfdzy:xr.1vd ,u6*-9i wfb *lx jrrect for farsightedness where the uncorrected near po9u3jiffyc6, zb - xdlx1d wlr:.*f*fvint 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 farsighte7-4siluy6xp ow+w5p y y) yb au+;u7pyd person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens pybl pyi) yx7a;u op4 +u7 uyw6wps5-+yower 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 eyew b10l s7epa) s-mm7kws, if he wears ga)m mlkb07e7 s pwsw1-lasses 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 has a nea64.x,(*r u4l yr)birapv byypy hf5-cr point of 25 cm. What is the magnification of the)r 5br(h4r v.yuc-l bxpi y6*4f pa,yy 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 pq ;ulz7 /qb)kierson has a near point of 25 cm. What is the magnificatqzqi; )/ukb7 lion 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 lqea 0c.jc 5p-the magnification if the image is viewed by 0.c ep5ja c-lqa 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 ;p1os/3z:9d hqkhpu nof focal length 5.0 cm as a magnifying glass. What is the maximum poss;9/: 1ohz kns3p dhqpuible 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 magniv)0dpzu7i 7,orx x6quj ju1 u,fying glass. What is the magnification if the person's eye is vj j,u z7rq 07x 61xu,uoidpu)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 16.0 ct2.pd5n,: nndwh uv*zm. If you were to use any two of these lenses to build a telescope, what i ,.n*2z pwnv thd:d5uns 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 lens /5pmu*higr x);- lvogths 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 sepa/;igpv* lxrm -o5uhs)ration 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 ofo;n2qg o95 pq zbjwmi/i:i 7u, 200 cm and its eyepiece has a focal lenz2io9 miu7,gjpi:;w b q/nqo 5gth 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 astg 9fchme3vrlslhm25 ,t 5*,vi ronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal me isf h9*r3cg hvlmlt2 ,55,vlength 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 telescope with a magnificatio 1pt5w pf5miu .un/n:an of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of /un:au5p5w 1f.imtpn 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 tht0/7rziomiq ;e telescope is limited to a length of 20 cm, what is th toiqri;m70z/e 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 objectiveoz9:agi 5+h ib 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 thezg+oaih9:bi 5 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 mmqitw 5hkw) v +ao.i+n0 and an eyepiece of focal length 20 mm, adjusted +iv.)o+ k 0twihnw aq5for minimum eyestrain. A blood sample is placed 1.5 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 an objective with a focal length ofud ,+k)5 dld: es;dscv 3.00 mm and an eyepiece of focal length 65+u ,dsk)dd:edv;sl c.00 cm. If the two 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 hm2 e3 scv8ih1hqkz(8focal length of 8.0 mm. What is the focal le8 (qkhc si12zevhmh 83ngth 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 ang+s3jhlguy*pfx)b-(i5d c +n oular 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 ju(xi)np+u +yo-l3 f*s5chjg dbst 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 arq8cz d(biu7d1:r /b yre 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 objecti7b :ddr (u zrbyq8/1icve?

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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 ofuhbru 7 7-3.i4tz gtaj 3.5 mm to 1.5 mm as the illumination is increased. By what factor does u-u. rb7ha zj4g7t3it 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 h(m e.o065 ha9 azznn/zez(gm qas been placed into Earth orbit by th(mm 6qn9a0.ez g5ahzn ze/z(oe space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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