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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://autodiscover.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://autodiscover.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 op sr 9g+segk4+ien and the film is exposed in a camera is determined by theski9g+ s4er +g

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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 determined brd 9;ahcfd1uiedyk8 i.sjq/52 h8 u.qy 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 distancp;6awor)7cpn wzf)x ) e may be varied by sliding the lens forward or backward with respect to the camp w67ronx )c)w;azp )fera 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 fiel5om4;bl9qu 5a.dd zvzd of view that corresponds approximately to that of normal vis5l;mbq z u 9v.5zdda4oion 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 actss6 dgt; 0,(mq/xeng vv like a telescope to magnify 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 czk, 8ww i zpoqf /(o:xmw9.4uwith a wider field of view than that of the eye and through which objects appear smaller is referred t8 uw k(:/c49 z mfwwooqpi.,xzo 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 followrwd c0cn q8-vh:phwd 7t+* mai/xgj(6ing ways 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 eye occurfper.*y4d suf-(:1 iv5 6jlzk eas1qqs 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 i+2faadzz 9+2 jo.w orts

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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 objeauu b43 qj4i6k2 q)teects 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 39vdzje/ )u yslong from front to back, the person is likely to suffejyz)dsv 9u3 /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 cgvd nfk8gef rde+66qd g.+- 5g(adb 6*z5ysucorrected 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, thisd .7n l ;fetnqg66h4a e5k:son gives rise to a vision defect that can be corrected n kdg5:hn6el64 oqnf; .7aest 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 eyebal9evbey6vgy/:-a o d2- m2osaxl is too short from front to back, the person is likely to suffe/ av 9:xg-syoaoeb -26yv2edmr 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 corred:b e* (pnb3vss6)xpjcted 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 ss5v, nbx)gnvh- - v;nrise to a vision defect that can be xv)5 ,snvnh-nb- v ;gscorrected 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 magn*55s (8u. 1knss bo)*ku-uw xpm prl z5hwbfj-ifying 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 d 0u j(9wzh.ah/b/yrran astronomical telescope r90/(/z.y rjw uh bdhais

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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 screen )z5p:i+ymvv s is placed in front of the lower half of the objective lens. What effect will thz+yvvp)m:5 siis 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 unifoij;6+ tljmhb 7 l,ax,irm 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 is the objective lens of the telesco ;xij6mbil,a7th,+ lj pe 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 magniywhb;n q1rwo0 l -x,0q 1kd ii58y1aabfication $m$. 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 ablw h8m,ijo b(kg+.ghn+e to see the greatest detail when usin +jg+(om.k, winh8gbh g 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 suffer bvu3/m/zjtenbk*y(de 92q2 u from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufffjh58mje 9wq (er 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 f rlw 2uh.61blthe 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 resolv*c:o j*xk.h5 cq6n suving power assuming that all other factors remain unchanged? Its resolvjov q.ku xccnh **65:sing 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 (in dioptec 0lhkf517ri3vus2pors) will allow c20 lk53fiop hsv71ur this person 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. Why6ezh9+bu 8;7lp :- khvcajq hat power of lens should be prescribed if the glass is to be worn 1.00 cm in front of th9uyzj;h6:vq-ch8 e+a 7 bklhpe 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 le.* 3hucgf 0h k/nj o4c6 gd0ccq(0ohtrnses have power of -0.15 D. What is the person's dfgj 0 qr0kc3nucc ho/oh.0g*ht(64 cfar 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 farsightedness fhkr43is7 e. t2 3fscnwhere the uncorrected near s3e4frck3 fn7ht2 s.ipoint 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*,v) go n5f6 dc *v-u03gxzkv9tjcdnu glasses close to her eyes, and with them she can comfortably read a newspaper at a ,z5doc gfj uxtu0nv9kv)gv3 n6c *-* ddistance 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 x. ) :ufrppcq.a9,dctcan read a newspaper held 25 cm from his eyes, if he wears glassx:c qr .tudc pa).fp9,es 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 near pj: ayxdglkml i4() +6uoint of 25 cm. What is the magnification of the lens foa li4gl :jkdmuy+ )(x6r 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 hasp;fx lk;l( oe4 a near point of 25 cm. What is the magnification of the lens for that person when thlxkl( ;epf4; oeir 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 7y gy htc,v*a udd6z(-).0 cm. What is the magnification if the i6a yd-*(c u,d)y thgvzmage 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 leng g mv wrv+6(ts2tpn3)sh32luqa mu5 1/wbrjw*th 5.0 cm as a magnifying glass. What is the maximum possi am)s13/ *3w bvt srujruhnqm2 t6l5wvp2(wg+ble 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 lek(shq3trbc 36o dt9u9te5hw 1ngth 5.0 cm as a magnifying glass. What o 9t hc6d35betruwh (3qkts9 1is the magnification 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 cm, and 16.0 ss 0cy5 ubh9:nu*at.rb xrk(0cm. If you were to use any two ( yt.s0 axh9un:ksc 0bu5 brr*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 l/ d2( a(m7sopq h,xrkoe8ax+ienses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were om+x i kde78rs,xa/(qaop2 h(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 telescope has a focal length of 200 cm and its eyepiecme 76s*o*om.mfvglz/d4i( s p e has a focal length m gsplf.ei76 dvz4(s*mo /o*mof
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 telw3i*61uj:h9grea m sm *n ;pw( gqf/dcescope with a magnification of 10. If the telescope has a converging lens9fnqgm:6w r/idwh j;*asc (me1p* ug3 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. ld fe 8.l:1knt If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescol8 f.1d:e nlktpe?

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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 tye31ei -jm;g ed(- zwa length of 20 cm, what is the apprejygt-; -(e3 iezdw m1oximate 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 objective lens of focal length 1.4 mm and an eyep+jt t3jxwo ruf :uohi6 /.-3nuz*/uh giece of focal length 20 mmuutznf3 huuogtoxri6:-+/* jhj3/ .w, adjusted 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 objective lens of focal lejkm5zvn0 az-+ma+/g vngth 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimu-g5/m zm0v azv jk+an+m 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 a jyvciw2 :z8dj :lrt:3n objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is 2:ztj:vljyc8w 3i :d rthe 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 anp vcy-x3,,:mb0j hne nd an objective with a focal length of 8.0 mm. What:,e,j-hvnp3 m0bny xc is the focal length 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 separation ofq 9htbnthtr68byv l:p47g n 6* 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (dinp y h7b r4h98t*bvt6g:6nqtlameter) 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 apart. af-(3;*( na+ vqgw cwp pprbu0If the fo*n;+pp wpac(u-v wb gq30a( frcal length of the objective is 4.0 cm and the wavelength of 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 toni. k 8qm)9q5lmn g,hi 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution chainn )klm9qi 8h.qmg,5nge?

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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 l3x ruso)c2 h;,i3x +ozprl,bbeen placed into Earth orbit by the space shuttle. What angular 2u lsbco i xrrpxl,oz3 );h3,+resolution could this telescope achieve if the wavelength is 500 nm?

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