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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于无忧得胜-网上国际课程 (https://5edu.win)， 为试卷打印版，您也可以在网站平台(https://autoconfig.5edu.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://autoconfig.5edu.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: admin  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 is exposed in a 13eoqog fti.l ;, a5,6wmikdkcamera is determ,ka6gw.ife;to,1 3qo m dik5lined 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 camera9 sh- b ,awy.z1lub7dq 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 disnfpk/o.o8 ;/z.*rvpvlvo;el tance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtaiol p;.vfv zen8/r;lv.o*ok/pned, 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 fil bw)80cfc*(c8g-l3 :jkcdy1s ql hcolm with a field of view that corresponds approximately to that of normal vi*cy l o 1s3-d8wclgcb(l0cj)f:k qh8csion 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 to an)w xds( ebox jjvcb/;( g4eev0yp114s 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 wid5-o:psjmf1c xl,;vh per field of view than that of the eye and through which objects appear smaller is rs hpc5p- v:fjm;lx 1,oeferred 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 waf(8s h- ca(pk* 3xzhfel1hd7z ys is a camera 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 eye6kpul-5 re m:w ,etvb. 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 see obfp -hht9, dy ru.pc2ac+z.n( ujects 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 seei7-kdygj 5*))v 0dntwl, jmou 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 fron .g8l;o6byad 2gyy7qut to back, the person is likely to suffer fro.bygu8oq l gyd672ya;m

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usualctq4 xj43+lo sly 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:cgu (u)q +kwkis gives rise to a vision defect that can be correctu+):ug kkqc(w ed 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 front to back, the person id qnw,5f,xe)r s likely to suf )x,f 5,qdewrnfer 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 correcte;hma-w tj4z8,.e bk2i6gtljo d 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 bac y 6cbj9zzj/6au3s ,nxl35cwok, this gives rise to a vision defect that can be corrected xc lznz63 wc39/j6jba,uy5 soby 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 glass?0e qix7dd 6vy(

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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 vehcuf*jgcq:98cn (qe 1ry large diameter objective in an astronomical telesco jn9(:gc 1e*q cquchf8pe 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. Su-la3 -slt gt;)vcft;o ppose an opaque screen is placed t;l-;as -tft)co 3glvin front of 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 visible spectng//st dyn7 1 y/k4fbk+eo*ff rum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objee*//fk/b1ny ntg +4ks7 dfof yctive 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 7wxs.1: 7e9fth/y dyews:srmmagnification $m$. 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 expec5win*1* 2hqthc5 exect to be able to see the greatest detail when using a micr1 w5 *iq2x* ehnhcetc5oscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer 8/,sw slzb(me lf s(*lfrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors su crh;ln6gav1s :5 s(glffer 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 refers to the abizwl.s01c ncz 6 ab*+folity 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 itjm(8 edl*f9yu;h )i .ihg 3yzj2a)rwos resolving power assuming that all other f3g.j9w ;filja) )o*h(e ydmh2yz8uri actors 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 point of 18 cm.4utl6.r./c t porn7 n-capoe. What lens (in diopters) will allow this person to see distaop-/ c.7ou4 ant6 .ntrpcr.elnt 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)ur1-dcqch:s . What power of lens should be prescribed if the glass is to be worn 1u1d:c c rq)-hs.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 glap vxz7eler+3b 7-)(omz n0w7xp(vm tgsses whose lenses have power of -0.15 D. What is the person's far point if the glasses are veryz7 vtmng 3m(7wb7xvrlezpx-epo 0)+( 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 z1n8bb:ao;hhightedness where the uncorrected near pooh;nb18b zah: int 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 j loxz3 w.b*aa 4wqg -woii0h1x-h+3ucm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance axw- q13x w a -h*w3bu.j0giozo4 h+ilof 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 retji4b.i(/59 wsmp )th:: c euywy9 jslad a newspaper held 25 cm from his eyes, if he wears gla(s./9tyy e:puihtsi9cw bl):m w4jj5 sses 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 length1 c,nhiori+, r of 10 cm. A person has a near point of 25 cm. What is the magnr1+onr ,ic, hiification 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 a focal length of 10 cm. A person hasc;7zz1nzqeh 2 a near point of 25 cm. What is the magnification of the lens for that person ncz712z;qez h 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.c yri1;b n+19svpjpn*0 cm. What is the magnification if the ibsc9+py* 1;vnr pi1jn mage 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 focal length 5.0 cm as a magnifying gl5)qk(3s9 ls kjzrlg/eass. What is the maximum possible magnifications l/5sk)(kl r3q g9zej?

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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 magnifyii; 6sts +es;c9w z.iying glass. What is the magnification if the pi96w ;ssize;it yc+s.erson'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 16.0 ch5 i kj82d8f2z tbgvz)m. If yot2bgf5jik d)8vz2 8 zhu were to use any two of these 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 lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. n**e;et z,qyw If you were to use any ,n yqze;t*w*etwo 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 telescope has a focal length of 200 cm and wwd(/zq - sg4yits eyepiece has a focal lengtqwsyd(-gz w/4h 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 anhirtqg,v6 ig6h4ifg00 r cf87 astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, 0 t hffgqr4g6rv gi6iic0,8h7what 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 astro elsz:.vnw.osi-c 3s(r6,vm-rd (q janomical telescope with a magnification of 10. If the 6enmc za, . vdsrlsq3ijo-(s(-.wrv: 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. If the telescope is limited to s0 na4-,tj/zpf+kste a length of 20 cm, what is the approximate focal lengtjf0n ps,a stz+e /-tk4h 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 of focal length 1.4 mm and an eyepi7kfy z3wzj6m0/yj7qzece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apar/w 7mfz3yzj z607kjyq t 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 eyepr/rg1b*da*/e xknf f5iece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall d/fb1a */nf5r* kergxmagnification?

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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 mmahu9uztu je e,9v(u57 and an eyepiece of focal length 6.00 cm. If the two 9ut9uuv, 7ujz(e5ehalenses 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 4 5zdp6 a1zhxvyp jm11objective with a focal length of 8.0 mm. What is the focal length 11 a45dxyzm jv1hp6pzof 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 7.61 ogyewgazx,t) jy the constellation Orion has an angular separation of 10-5 rad. If the waea .g,j o1wyx)yg76ztvelength of the light from the system is 500 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 whixc*q:xxh s4 zh;*r/*xtw7ukx ch are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light ux:rt hx/zxw*xukh * * sqc4x;7sed 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 -xt7 h.f5 wiam.;wekz to 1.5 mm as the illumination is increased5i. zmwte7-a;xhk f. w. By what 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 Space0du mad a.+*fp bg my+r/ml0p1 Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is/u dr0*a.lmmgd1p 0 byp +am+f 500 nm?

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