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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://autoconfig.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://autoconfig.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 cameriuu3m,sf5i61 v wyy2q*+g lxna is det +5n6iu ywvf3y x*2s1 uiqg,mlermined 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 b*a :9fdf,vsnb .fos2 rb;u4othe 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 distance may be variedgp ihu 970k4g:o xlqy6 by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this means ly4k6 p 7uigxqgh:o0 9that

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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+rht vqj :.qk+ the film with a field of view that corresponds approximately to that of normal vision is referred to as a+ h+t:qjrkq v.

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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 likepj r8ce(ws b.vj )*cgnxt/b23 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 with a wider field of view than that of tf;7 lyeu(w ah(he eye and through which objects apy eau;hf w((7lpear 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 diffe8 q-esacs2vn 97pwa s-rent 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 refrac0 x.tpc 1xlg9.hz q 1ii9jo)vation of light 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 se3gxjv:v go 7)de 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 vmrhp44yzhn;02(* vyrsed7v which an eye can 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 too long from front to back, the pe8dh)d1(kqj6 hgw )wg2caquh5rson is likely to suffek 2h)wjdqg51)cdgaqw ( h u86hr 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 cz- u;9*aud2d 5v4ay 4d t5y c4mkalbjmt9pym8orrected 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 gi: k-jwd qxe ;jy01h)pqves rise to a vision defect that can be e -wjd1jqh)qk x:y ;p0corrected 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 to*);fzqbehok 3u:5 hnfo short from front to back, the person is likely to suffh n ;:5q3)fkfouzh* beer 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 ir y02;h+x y*+rzz: q)gc yl-f8jdw rebe 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, tr2nofd tq2 1o 1du8gk/hyxp bf4 2-:ophis gives rise to a vision defect that can be co d2bf1t f:d1yk u/xrh28p2 ooopg -4qnrrected 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+ s md7rl zgo:d 3j-h8/dbnp1ong 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 asd a/c ,lctoznpu75- i/h( oj)rtronomical t-cnca7 j5z l/ o dp/(urhoi,)telescope 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 aru/tf84vv nbn4h u 4nb4h(gx0 refracting telescope. Suppose an opaque screen is placed in front of the u4 8f0gxt(4hhnnv4 /rvbn4u blower 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 us)kqg9 ym 1e.hred has uniform 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 l eghm9krqy.1)ens 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 m.jq5ibq:etgd:f d 2g1agnification $m$. 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 tq0, mc6,brh3pt0 7wmc +ysmreo be able to see the greatest detail when using a mm s,r7,rb 3q+ mpyet6c00wcmhicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fzw4maq11-r4cti ix ;nd.qk*mrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf :izq z0ut0+tzfer 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 refersq8 b97bm6qqqepjbzqi 3 t66n. 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, 7ni2huk0f eg 9what happens to its resolving power assuming that all other factors remain unchanged? Its res7 g e9ufk20inholving 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)(u13e0z gs rft will allow sz rfe(ugt031this 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 awayzmpx6 rr*xo yuv 6)9e,. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front yv e)9* zpr6muox6 x,rof 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 glaoixzrlc k4/vwf1)1.nsses whose lenses have power of -0.15 D. What is the person's far point if the glasses are 1owf.vlnrzkix ) c1/4very 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 where the uncorrected nxz3i rjn jgwp1;69tv1z. h+ex8vc1 xi ear rp3i1xcjzhet9i8wvzxv.g; 161x+ njpoint 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 pa2f hpb7 r**zklaces reading glasses close to her eyes, and with th zfk7ahb* *2rpem 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 hbn6+ *hi(l nv9 m/jsrpis eyes, if he wears glasses ofn* vpln9(/ m+bis6jrh
+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 pe,gl 1hve2;f85hf9zcwwl uf q)rson has a near point of 25 cm. What qlw )fg1w cevzfh;5fl,8 2hu9is the magnification 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 hmlt9b(8yf j -xas a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their near pointj-yb(f9tmxl 8 ?

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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 alz 6f lu ;gk1fyd1o6d+ga+4cs focal length of 7.0 cm. What is the magnification if th6a1okyc +fglsfg16 d uzl;+4de image 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 magnifbr k* 5tb0y7tiying glass. What is the maximum possible magnificai tbkb57*yrt0tion?

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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 snj-gy i- -:kt6 cpz1bmagnifying glass. What is the magnification if6 n1-:sk g-yj-pzti bc 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 jzd +:/l3gxf9haqp2 lz9y6v d2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you cxz+9hdf g jl 2/av qzldp:96y3ould 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 cmr.zgj6 r n9/gd(vxsc7 , 8.0 cm, and 16 cm. If you were to uj6 r9v.zxggc7dsr /(nse 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 xf9vlg.ad, r,dc:y8fo7c , ndedl. k/ cm and its eyepiece has a focal lengtvdddayo.l kn,9erg,ff x,.:cl /cd7 8h 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 a/;3f1gb7je o 1efbx pastronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what i ;g1p1b of jfebex37a/s 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 mag1 2n 6bsb6ty( jjfska-nification of 10. If the telescope has a conven(t-j6b1as6y kjfb s2rging 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 limiqc 77* yzv.yixted to a length of 20 cm, what is the approxima7qyiyc .x*7v zte 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 mkvb l7xl -dbjx mk6tp965hg l6+na. k3m and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mmk6mtx.ld l 9bk6 -lnv3k7hab x+5jgp6 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 1z2nzj 3kyp. /k.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is pzyk/p kj3.z2nlaced 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 objective wq/fhgc)(ml;l 1 vm(vh ith a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If thlfhm( ;cqv1 (vl /g)mhe 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 a 18-cm barrel and an xw:4n3 o-lb )z fmc3wsobjective with a focal length of 8.0 mm. wl ns o33fb-mcwz4): xWhat 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 cl*7k+dl6qw no wfa2i1op daetr2 83r(onstellation Orion has an angular separation of 10-6eq (d odlfaw8rap+ ktl3o n2i*27w1r5 rad. If the wavelength 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 which are 0.010 *)jd vpfs9 7obqmps,/a as;+ amm apart. If the focal length of the objective is 4.0 cm and the wavelength o pav , aqfpasb97)j/s+m*os;df 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 dia.vkxp -tex( * 6y0epcmmeter of 3.5 mm to 1.5 mm as the illumination is increased. B(emxx0-p*veytk .pc 6y what factor does the minimum angle of resolution change?

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51#
 
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  The 2.4-m reflecting Hubble Space Telescope has been plaav( (ex h/ umj0x:ab;vced into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength am:jv(0 vu hbxe;(/ axis 500 nm?

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