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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 i+ dde,f+lcdssz/ 5 bp,s exposed in a camera is det 5 dc++sbfd,,ldpze/s ermined 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 m ms80dg dmn6-uh( 6h2qmpm 4kthe 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 distancei+4 v64xnm g)eg t8m*js *gvqs may be varied by sliding the lens forward or backward with respect to the c+ qnmm6g8 vtgi4e*4)g x* ssvjamera 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 correspzt4n9b uidxfp jya )b)+pu)6 1onds approximately to that of normaz)y1)d )uatb n 9fujxp+b6ip4l 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 referred t /kch*dgfzmxg786.y gx ti, r-o 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 t*j*j*q ep)5gg(n. m6ujtgvdthan that of the eye and through which g. dej(5 j) mtu*tvjqggn p6**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 diffep ax5a ,06ygt :c7qsmvrent 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 e 2- cmcz,jrl9knd47j yye 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;pqb0q+/k g 2j5cytdit 71e w3we5vuo 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 see obyt3;hjo( j/v* yze0n ljects 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 fregw ,r 27cmxg,om front to back, the person is likely to suff 2g rwg,ec7xm,er 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 c;s2ihy tyh z::orrected 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 vikyyl- bx;9rw3sion defect that can be correctelr;-bk3xy w9yd 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 shp19y8//if3 2z-6h sgnz n ewsojoy9tqort from front to back, the person is likely to sjygq8y ps-z /iooetsh 3n n/92w96z 1fuffer from

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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 bfyjak c7f1wivk ,qtr:4 s:l;,yt6d3corrected 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 a vi, 4 gyn7qg2)xvcb-a g5gofd)asion defect that can be corrected by uo4 x27qvagn a )d,gg)5ybfc-gsing

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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 magnie)nq;jj5wei t.j, h- wfying 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 aszjod:k()k2suq cr4;m tronomical tele(oq:2 km; sd4k)zujr cscope 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 forlh2mffsy/ v t7);hwz,s3 1 xir*drw 9jmed by a refracting telescope. Suppose an opaque screen is placed in front wl3 zwxjm srt;i79h1*,2d) hffvsy /rof the lower half of the 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 v qz +lrg2o c/3ugyi7;lz/gry 3isible spectrum, in which of the following cases would you be able to best distinguish between tzg3 / 3c+7 /r2uqgy;gzoilrlywo 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 magnificre31q0k uw sv 6 cbj)4cpcn/u4ation $m$. 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 greatecd.p n9;mo n(sst detail when smco( 9nn.d;p 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 suf4az n8u 7qit79javc; lfer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer nor 3yl+yk0; k m .-n+cgvpkip23p7hc 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 microsco6)knw9lo4( a rp2oel:t to,vqpe 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 happens to its resolvingba:i: ws*n /h7oj:e sz power assuming that all other factors remain unchanged? Its r :b*ssjzwi7o: :h/ena esolving 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 cm. What lensx+gkk m5ho.+b (in diopters) will allow this person to see distant objects clekm+o+hb . xk5garly?

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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 powel,.+nv xzg.csr of lens should be s.z.c+vng l, xprescribed 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 ox d5-)h0m65fje nvsqf f -0.15 D. What is the person's far point if the glasses are very close to the eym5nx6qd-ff vjhs05e)es?

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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 fori,0 9wf9 /s6u vg s3y*u+vk spbeaf5hh farsightedness where the uncorrected near point*/6gbs v, 9 yvhe uisasuhf+kf90w53p 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 100 cm. She places reading glamyk /o ceyaft(h 92a ,xihg1.1sses close to herc a m/h.yh (eaf2 yxk9,oigt11 eyes, and 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 cayy yiu35tnk-0l 5tif 4n read a newspaper held 25 cm from his eyes, if he wears glasses y-4 tui nlfk3 yi05ty5of
+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 aw l, 9akcp*yr)b1lm fiqy5:6tz+s6bj 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 focu*mqcbyl 6 y5 wtpi+: l9, r)1fs6bkjzased 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 le xxu4qdz2 cvs1,5mpx4 ngth of 10 cm. A person has a near point of 25 cm. What is the m2xx4d,cqs51z px4 vum agnification 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 the magnification;uy 2;)nmmk1 np9qvkkcg7zot 1 a76et if the image is viewed by a relaxed eye?n; ;11 qvnkto mg6a79cp)zk72utek my

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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 as a magnifgk 8j lp u/.0fr3rhqafu ,d*b:ying glass. What 0p.rb3h8d */ufg,kqfua: jlris the 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 let0og 4j37v-nm3q al spngth 5.0 cm as a magnifying glass. What is the magnifica 4g3-q snloajmp0t7v3tion 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, -;k1w wg jljk--kdefigww- f)*( 8dzq8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, wh8dwk;jw-w1)wked (-q if*g-- kjgz lfat 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 2.0 cm, 4.0 cm, dnv6t:;*lb-.v zkdb p8.0 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 maximum magnifick-6;vzbd*: np v. ldbtation 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 of c* 6 bamz:t+fn)bg.in 200 cm and its eyepiece has a foca*:nf tg )bb+.czmina6l 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 astronomical telescope with a magnification olv*: oh5kri -rf 10. If the telescope has a converging lens of focalro5r-:lk hiv* 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 jx9o2uvp .9*ddga r7ztelescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulti9 gx d vu.daj792zpor*ng 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 lenga 4,gw x5chnd3th of 20 cm, what is the approximate focal length of ,hngd5w3x ac4the 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 of(s hc*xme+5bg focal length 1.4 mm and an eyepiece of focal length 20 mm, adjust*xe( 5b+ mschged for minimum 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 objvox072w z :g*qpcvx i5kc;obd8h 5 lo-ective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted ;lc7*: d5ko-xcph zow0q8biov x gv2 5for 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 objectivemmm7u:x9;pw ugos ++v with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. :x+m+omwpv uus 97;mgIf 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 a0p l t) i,dk gq54*f9fhmvab+n 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the ,)bl 9kgdhmnq4f5 i + *tavpf0eyepiece 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;jwx lno,hpb-.3 pn1la (zr- a in the constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smalan-pphn wxjl;(1z 3rl, .boa -lest 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 are 0.010 mm ap03wt+) spo-:h e stu)iiofn5jart. If the focal length of the objective is 4.0 cm and the wavelength of light used si-ujfp03ino+:t 5)wsthe o)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 eyeh*7hpxy;o24g b hiy) 6wg2n sf changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of g h)yo*yh2shgw;24xbi 6n7pf resolution change?

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  The 2.4-m reflecting Hubble Space Telescope has been placed into Earth o 4m ktob.ck daz44n1fc:zw*+hrbit by the space shuttle. What angular resolmkzzka4b*4 o:+fw 4cn.hdtc1 ution could this telescope achieve if the wavelength is 500 nm?

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