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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 is exposed in a *p-u/ xaq m;:nd)nz3a1xv oztk d/5pv camera is determined bykp/zn xap/q5a o xuv3)*:-;ztd 1nmdv 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 camera is q o6k oyul;s7x1dqpob ,0g3 8sdetermined 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 ;*ogib ch3nj .to:u2t by sliding the lens forward or backward with respect to the camera hotjbcu.t:2 3 n;gh*o oiusing. 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 correspondsa6kqcq pk/g d h*q2j)8 approximately to that)dg/kahcpq2k6 q8*qj 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 referred,1x o.bqudy,;mbaig 4 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 fil .i eld.pn9(ve nzu7 /9k-epflm with a wider field of view than that of the eye and through whped .. vefu97l i/k- en9l(pnzich 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 dt.nqsu g4gi;1*mz5x+tzb.wgr va,i z)r+i. v ifferent 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)(qubf 1ee*qc by the eye 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 oe/hg g 3;, ,fi,kwybxkbjects 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 cangz *mw02peedqbilgi62m/03 y 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 to+dbtvd m/6ef (o long from front to back, the person is likely to suffetevm/bd6 (df +r 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 corre- eepl p;8w ffz)t9.tiiq w6d9cted 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 :+3p ct5jvkjo; c-;zloo n1twgives rise to a vision defect that can be corrected by-o;k:z otlc3+1w pnjc; tvj5o 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 is.s- ru8j;rqj(uef0z hr4yl/. rw )u ol likely to suffer j o.qejrh-u .4 w)zsyu;rf 08r/lu (rlfrom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usu7iqmo0jey(3bf r g :m. iqy/(cally 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 gi,ac6+ h)jp(ou)kby, oksd p6llgb-y ( ves rise to a vision defect that can be corrected bp+ 6k,b(uolsa -(,cpgbhydkjl 6 o))yy 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 g;tbvcto3c +v;tf2-1vj s6 hxelass?

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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 diamet0wk: 19ndcr )vjd7z f(st4iv uer objective in an astronomical telescope v9d7 :vcsj(k) u40fiz 1dnwt ris

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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 telescoo-edo(z4ewi bb;y *7 npe. Suppose an opaque screen is p ;dbe-wibne o7yz4o (*laced in 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 i ih,v)b4r:x nsensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (Tb4x h:inr,i v)he 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 aytg. 1lxbykpn m6t;5b 6hi-o /80uo mx)jsk9magnification $m$. 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 2x.(7tws,2 pvhxgfhr expect to be able to see the greatest detail when using a microsco.w r 2ptxvhfg2,sh7( xpe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fziy 0vzx)a9bh 1:7 oyirom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufsd-nhvex2d- lqg3 (/sp+u e*hfer 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 refer8-dne3du1r qt s 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 resolvinpfvq9:fydk0 k3/ jquj*n o-5m g power assuming that all/yp djf5kjk*u-3ov fn m9:qq0 other factors 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. What lens (in diopters) will alje(8n e+dktw32 g f-vvlow this persk+g(-t j e fnd8wv32veon 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 ;xny0m9t. iu z70.0 cm away. What power of lens should be prescribed if yn x;0i.tz u9mthe 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 tousj2 d 7r)/ris the person's far point if the glasses)rd 2sr7juo t/ 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 farsightednessyzh2/mj 0b 4 6odzesp9 where the uncorrected near point iyhbp6os0z/mj 9e4z 2d s 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 glam/nk 8xuvwz7- 45 fbbfsses close to her eyes, avbub/ -z7xn4f 58 mfkwnd 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 cgqbm5z0h2a e v0,f5qgc9l) e 7f6zzp tan read a newspaper held 25 cm from his eyes, if he wears glassesqceg9q2p7 h0 t,g)lmz5e z6afzb0 v f5 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 haab;00pfypy:kfqx l-0s 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 when their eyes are focupxp0:f0b;k 0yyq- fl ased 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 has a near point of 2x,, t( vy4rzdc5 cm. What is the magnification of the lens for that person when their eyes ar4 ,c,tzrxvy(d e 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 d x vt;8wxzh;vo+rv 55of 7.0 cm. What is the magnification if the image is viewed by a relaxed5 d8ozx;whrvv ;+xt5v 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 mamg(9lr::xosc )61e 3vn stolhgnifying glass. What ix g lr61v:lsh stn(m3co):9e os 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 magnifyv*: nuruzp1x3-wi g m*ott;-h9codk8ing glass. What is the magniicd;tgwhpko1 * r:mu9nv3t zxu*8o- -fication 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 6g7a0o x3l)k k(zy*(umukjjyfocal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to 6o( u3*xu)zyy0kkaj k (jgl m7build 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 ;jgb ;m k+1,/sx+7hr*ucejw zaka ee*cm, 8.0 cm, and 16 cm. If you were to use any two of thesj ;+ak1xcmsebu;+ a/e**7g rzwej k h,e 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 l., tplvq2q: odength of 200 cm and its eyepiece has a foca oq.,q 2:dpltvl 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 m vx/(r ub9xdptj4r 1.fagnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the(r u.x tx 19jfp/dbrv4 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 kg1x qw5buu .(of 10. If the telescope has a converging lens of focal lengthgwquub1x. (k 5 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 a len rh/,sz6t,hdc,n .k 8nhtkxj8 gth of 20 cm, what isd,r8st8 z,hkt/c n6hnj.h,kx the approximate 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 focav6muud3+mh t8l 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 thh+8mt dm3 uvu6e 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 of foro;syi( i5b y7cal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the ovb iy7iys o5;r(erall 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 k; vmsuv6 :ctl w5w9w0of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnificatioww us06v9w5 lmv;kt: cn?

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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 z+x eb l+n-vu-and an objective with a focal length of 8.0 mm.lznbxu - e-++v What 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 angu2nk/ 1qe+gkix +3dccgm8slc* lar separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolvnck2cxgm 8ge *d1+3i sc+kql/ e 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 8y/bp2a ctvk ; 7z/fcp3(el jf gt.)yywhich are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of lb;/yp.vp (/clf3cz feyk8y g)at72 tj ight 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 3.5gq -r: 6*zkrze mm to 1.5 mm as the illumination is increased. By what factor does the minimum anz6z* k:-qrre ggle 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 placed into lp6 d,/sdt+vx.pk- csEarth orbit by the spacs +cl. /p xp6v-tkdd,se shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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