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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 shutter j s1om :omk ,n*gq.6ogis open and the film is exposed in a camera is determin j1:.,6qm omgogko* nsed 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 inicqk70csm* pf5o,+e y 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 z 0pnypkk9ovs 5 0ma*31qlk.wthe lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. I0vpqm.1p0kza ko k 9lnwy 3*s5f, 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 withpr69e ;sij 7oodm: cs l/5ka.z,v/thc a field of view that corresponds approximately to lv5kodt/c re,phm.i:; 7s /6ca9jz sothat 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 images is rec c cs4yf nzj*75agp6r:xp+h gf+( 0lmferred 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 o9ydpshq 4s*9v f the eye and through which objectd*s 4sy9pqh9 vs 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 disvqo 2 due, 0ygfms0yg*;gw);fferent 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 occurw3,44s6ltjy i iccq-p:b .gqsr16d f os 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 clearly in* ewn zg(ffn:m cx40tt43wt 3s

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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 w3v :wuh /lyd4which 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 front to back, the person i5ke,a9 *- ms1bletwghs likely to suffer froml5,9mk-w hstb 1*e gae

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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 corr( (k pl114tgkthug)mi ected 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 k6domi d 4 aved:/st2xuww* .;du6sd 9front to back, this gives rise to a vision defect that cd;dadtddweio: /k um *uwxv 6.2946ssan 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 fro2 2bjiku* ted;m front to back, the person is likely to suffer frob; 2keu2*it djm

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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 k-nfdqvc -3 i nnt km0q(/rqtd4)7(gr 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 back, this gives rise to;t nz-+ c 5fi1efyx0vl a vision defectt 1n;ey-0 z cf5fxi+vl that 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 magnifying glaye9i)/l 9m,wy k/-hh5qn r kfess?

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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 diam,2u asrxctzn;ot-y-7 v jz34j eter objective in an astronomical telesc u7jsoa 4tz2x ,tzy;rv-j3n c-ope 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 fqk+h5d-3a *3j xvsrql ormed by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of th*3ahjdsx r vq- +klq35e 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 vi g(8cm1os,8z+pgk v:cqb:p mxsible spectrum, in whiq cc:p pxm:skz8o1v(ggmb + ,8ch of the following cases would you be able to best distinguish 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* wr6steb szn/4j4mc8 $m$. 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 greos98s b3t(tk9k anu1katest detail when using a microsa ktn9k(ts18o 39 sukbcope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromf;)j 4sm.iz ls-7tybq2t( zngwaw1 d 4

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fr.3vxrhx)ahe:) q e*t5i ;vdio om

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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 abilitywuwzj+m ai :r)s0;w3xf8 iw5r 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 doubv943ezn 5ia 6-fu hruoled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolving poweazve - o n5r4i3uh9uf6r

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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 ( 8gz:nzad,r) yw80kpe.n l9lzin diopters) will allow this pers,y8 )0 :a npnlld.ezzw8g r9zkon 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 away. What power of le6tw1fiu). b9 ceoclhv.r oi-9 ns should beot cuirceh9ow)fvb 6li.1.9- prescribed if the 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 of -0.15 D. What is s,gba 1dv2uy zncni3;pd59 i(the person's far5 bz d9i;gvi(,3n2ypdcn1au s 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 correct for fars)zj/n atg.7 3vti c.bjightedness where the uncorrected near point is 75 /bianjg ..zj7t)3tcv 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 q9un;sw6 nh: owg2fs 3person 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 power6sw onhs ;w:gn3q2u9f 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, cahs+0x e;s( a+3jiew3em oz90zd ou8 4f3zur if he wears glasses od +e e3za0u zfroxso34h9ae;c(0mz 8u3wsji+f
+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 h mxz9 s:t*6eklas a near point of 25 ct9ek xsl m:*6zm. What is the magnification 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.*x v.awqa+ 41i nlpvh a focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that p.vq.p1a4wx+v inha l* erson 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 t -t( wlq.i3kl 8+n40nhdjk ktqhe magnification if the lkn3w+qhijk( . 4tt 0n-klq8dimage is viewed 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 o xefn0rq2 9t,focal length 5.0 cm as a magnifying glass. What is the maximum possible magnifican e9t,2r0fqoxtion?

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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 l++ uyse4tsve9l26*gp 9wse kk2w ,lghens of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is relaxed24egt9l,ug w*hv++lykw s eks26p s 9e?

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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, 4.03/ sw0vhyqq1p cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is th0 qypv1/3sqhwe 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 lwe9k, u*q.e ptengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these le,ewpqte9 k .u*nses 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 telrtwh 9xl 9d(fr./v+ igtz7)pfg s3ur7 escope has a focal length of 200 cm and its eyepiece has a ggds h(t pwu/3i+x)9 7 flrz.9v trfr7focal 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 astr0rh.y5z:wzg qn.:(s h rhtmn ,onomical telescope with a magnification of 10. If the telesco(n ygn.0:mrh h htz5.qr:zws, pe 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 astronomical telescope with a magnification of 10. Ifa/)zso/u fdk6 the telescope has a conver 6ozk/sad)u/f ging 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 vnyt52to+kp y i;u6h l hyn)7.the telescope is limited to a length of 20 cm, what is the approximate focal length of the objective.5nnpo + vkl6y) i2;7tyty huh?

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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 le qb8m.(5z9 ci:5ri q ngaivu/dns 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 are the len gz5/a mrnqqi9(8:iid.c 5buvses?

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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 ojsblop.6cj .* f focal length 20 mm, ajcl*os .6bj.p djusted for 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 of 3.00 mm axbhycq /rf (.-nd an eyepiece of focal length 6.00 cm. If the two lenh/cf -bqy(r.xses 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 v,hpbh:h y 01yv0jzi3 focal length of 8.0 mm. What is the focal l, h :h iyyvp3hv001bjzength 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 aug+f935 ichoseparation of 10-5 rad. If the wavelength of the light from the system is 509ho+5ig cf ua30 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 an1kjad(fl ,a2 fs.w8are 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 (2n ffl ,ad1a8.sk ajwthe 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 .:kr 7.dcdtym0ts phbd4yn:5 mm as the illumination is increased. By whatrcnyt.bdk.:0ty md:7 hs p54d 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 placedk qi4 brhbd a0r4lr oa/*t826l into Earth orbit by the space shuttle. What angular resokql6r*o2 hr0t4l 8a4ba ib /drlution could this telescope achieve if the wavelength is 500 nm?

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