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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 mp; edj.ab00un2cfo 6 and the film is exposed in a camera is determined ud.p;o 6 ceabm0jn2f0 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 filmhnjk4 win58*a+huf3 zps87 p t 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 varied by slid99;c q qrip+ yjn-9fbk5cy,wting the lens forward or backward with respect to the bc jy9in9 wfp9tkc+5 q ,-qry;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 view thyk* o*dpoxpx 9z k.q 0. k)f-ukc)0yyeat corresponds approximately to th.*up d kpex0z)-k *k fky90)oyyo.cqx at 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 magn e 011f6pdjraoify 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 w gzvc4nwo//j7ider field of view than that of the eye cj/w7oz gv4 n/and through which 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 caml lt,3 qt8b hqir;(ka6era 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 refraction of light by the eye occurs at thefi yl/ c m7hf4/;fa1-r)naky s

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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 clearl1 vs*8.uewjd aetv75cy 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 objecay8onphl;8**s1zhxj mfs jo 8j*;5 kvts 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 fuhzuit/; 2-tn-cjrj 9 ront to back, the person is likely to suf;2-cz/ 9jutui rhn-jtfer 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 cotp;t19 v9u9no/pdik1f o tg*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 vicfh ake bb:6j-lim3f 26f*q w7sion defect that can be corrected by usini2f afbc6bl q 6-khefmj:3w*7 g

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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 bac*fbp -8u )du+ bt0fpvvk, the person is likely to suffer from8 btfbv u*)pu0 +fdvp-

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually ks; k276txcykt- 8drauxd96 p 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 front to back, this gives kbcdjlh4* g,6rise to a vision defect that can be corrected bc6hljd, g*4k 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 magnifyi 2nqdq,vfd ,b1yjqe 3q6te 3g:ng 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 diam/mp0 x li84xnnz1/lg teter objective in an astronomical te n/lztgpin80 xmx1/l4lescope 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 opaque 43 :kw rodf *i4mec8pyscreen is placed in front of the lower half of the objective lens. What effect will this hac*w4 pmy: 4fk8ideor3ve?

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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 spect7 e2f/+ aakfwjx v(/ymrum, in which +jvkwmx2e(aya/ff7 /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 mao,85o*u c ns qpy9s9si8sel m;gnification $m$. 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 v9w1z an(l s:bbe able to see the greatest detail when using a micros(w1snlbzva:9 cope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer from o2hzbpy5twvi5s q/63

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer + ovbk4 .j6 h9rkas5zbfrom

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power oifzr9o36y 0o uf a microscope 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 t t6k*o 9canvdzzl(87 do its resolving power assuming that all other factors remain unchanged? Its (adzln* 6vdzck9 7ot8 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 point of 18 cm. What lens (i gz4bm;/ jkfbvv6.3u cn diopters) will allow this person to sf;z / 64jgbc3 mbv.uvkee 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 powe n a-hhq.eqw36r of lens should be 3awn6ehhq. -q 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 wh;yjcdl+ 4f; peose lenses have power of -0.15 D. What is the persone 4lf+;pcjdy; 's far 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 needede,rj t h*u5g pmvwz5)v: 3 e7;aa6b csb*kzz(e to correct for farsightedness where the uncorrected ner5 m p eb)(cbz tjw;vv z5aa,76s*ge *h:eukz3ar point 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 glasses clk:pd q:cch7g: ose to herq:c: d pg:7hck 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 can read a newspaper held 25 cm from his eyes, if hea)xrc jp4o l +7 z0k8)cqmhod- wears glasseac07lp)m- o qzodcrhk)xj48+ s 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 h7 srb*4w7 gbq5x) utovas a near point of 25 cm. What is the magnification of the lens for that person when their xw* 4 )5uo qrb7b7svgteyes 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.iui)h( dy6 .2 ntudqf a focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person wh(i). yt6.ifu dndq2uhen 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:rw4a 0+(zyziz)r inu length of 7.0 cm. What is the magnification if the image is viewed by aru0z4 aw(y:i +) zinrz 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- ymtxgr.+r e9sh875 dq.fxafocal length 5.0 cm as a magnifying glass. Whax.oefsr +q xt9hd7my. 5a-r8gt is 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 length 5.0 cm as a magnifying glasztth kssg* fm8 .7/jq7pmwc /pa;2dd3s. What is the magnification /t hc/ 7tp 28.sw7fkmd*sjpmd;3gqa z 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 cms1q haw+ ;uzx8bp-v, n, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnis uzw+p1-xhqn;a , v8bfication 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 lengt:4 ) v9pg6 fmnpaceb(mhs 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you mfppvm eb):an 49g( c6were to use any two of these lenses 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 telescw +y6 ks:y45bt2ecurs1srgy3m p+.sb ope has a focal length of 200 cm and its eyepiece has a focal length s1ms:r6ykcp5 srwtgus2yb .++eb4 y 3 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 astron i- zes3z-0,/ hrvl;03ggg jqx4dmnql omical telescope with a magnification of 10. If the telescope has a converging lens of focal li/m qsq4ll rnh,j ; -g0zge-3vzgx d03ength 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 ast ( f 8x,r2abo6nykge+kn( 2cxoronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telesekfr, na2b 2yoogxnxk + 86c((cope?

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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 telej* qx8ql:kfy k7who4 (scope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the objectiv fo( y8jx:qq7khwl4 *ke?

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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 i9pf*f; lo +,j3kjge rfocal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted f;,p+ejkog3 f*rj9 if lor 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 objective lens of focal length 1.4 mm and an eyepiece odq,wqrv k-/(a f focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall magnifi- r, kdqq/(awvcation?

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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 3.00bey;/ozf73b0ic, zmwq,6d he mm and an eyepiece of focal length 6.00 cm. If the two lenseo,ze,0c7bb;e3/fqy h6 iw d mzs 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 focal l-nbo4 4edi)l vength of 8.0 mm. What is the focal length of the eyepiece to give a total magnnvbel4id- o4)ification 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 hamkk,j x xky5/3s an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (dia /5y kx3mkk,jxmeter) 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 arbw+/vy6ok 66h(hqyg de 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength oykvyd 66ob6h(/whqg + f 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 mm to 1. v-5;l1adoevm1*lgd w 5 mm as the illumination is increased. By what factor does the minimum angle of resolution cgev1ldv ;-md*a 15o lwhange?

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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 beeg(1g f+vngk (i)9yyeen placed into Earth orbit by the space shuttle.gkg+f)1((ig yyne e9 v What angular resolution could this telescope achieve if the wavelength is 500 nm?

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