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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://mail.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://mail.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 shutte 5n)gh8 xm;6cbfhbl8fr is open and the film is exposed in a camera is deter hclb68nh)8b m x;f5gfmined 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 ikywh/ uvcc o( .v71xa2n 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 disaf6gy6v-* fs g/ t3voapy10 yttance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy p6a-6ysvygtp y t1o3va*0f /fgicture 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 correspond6 2rzjk7+(s2yr qb tl*e kfat4s approximately to that of norm* 2k+4zbar2 tet67(kqf jyrslal 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 to a +3ebg3tgke93:gecx/etb 5wp uv++u xs 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 fin bdsh-/p*2x-9pxlfnlm with a wider field of view than that of the eye and throp2 bhs-f-9nlxp d/*nxugh 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 camer ukor*.z/,tm* y*/ouwn r5p fla 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 v w:7wnl i-gipka0 2;dlight 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 objects c-s cbwzg) ;y dzc3:g/vzuf.,olearly 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 whinp7if 4lbn n75a9rx,b ch 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 tooy5kg9m k6,-5bpqy p mq long from front to back, the person is likely to suffer fromqkpb-m5yq5 g y,6 k9mp

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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 corrected witwncwc4-e; zwidaj) 9*hup 7+rh

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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, thisl lkm09s19ctrymeihofn0 ; ,(7 u5rey gives rise to a vision defect that can be correcte7yn9e ls95h(,mtkcru;1myl 0r ef0 oid 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 sh :cadqme qhc -6a1y2mglfs;its*i / 4)ort from front to back, the person is likely to suffelc2 cimm1 *a64-tqs/edi:) qhg;y asfr 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 corr9f(rpa q+a hx*ected 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 tokbf+/tvif1b6l vde *3 o short from front to back, this gives rise to a vision defect +ev*/ 3b kvift 6bdlf1that can be corrected 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 magnifying gla(dr4 c+iduupqw:d 0,ass?

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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 object.2dlq;9zr xmfr0n g x(ive in an astronomical tel 2(rdrmqgzx 90; lxf.nescope 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. Sul0 kw; ij +9ctkrn-yp)ppose an opaque screen is placed in front of the lower half of the objective lens. What effectn )p tkji;-wrl0 yk9+c 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 ha zbth7l/y,e h4s 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/hh 7zy,blet 4 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 magnip /fr0toa 5n/wfication $m$. 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 able to see the1v y-o co+y1m kdb3q3e greatest detail when using a microscok33-o+b1yyoq m cd1vepe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffkwx , 0cpp5.9an0e7uwktb 5 haer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffe ee hw2 q(1reg4u6a732tlz zmvkw:rd8r 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 micptrqiren gk)p mwv+6*4ig9yf* w m/7ta .x0e3roscope 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 double 25imzqhzp q1-ceze2/ d, what happens to its resolving power assuming th / zeie2hmq5 czq1-zp2at all 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 wz0woof9*q5n ux3,f pcl3v m(18 cm. What lens (in diopters) will alloww 3fmnz 0,qouox39 fwlc5pv*( 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 thku/eq 8*xxz( han 70.0 cm away. What power of lens should be prescribed if the glass is txxez8(k/h q *uo 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 lens* gisx:omyz2-mm9t;8ge wz):ozd.nj es have power of -0.15 D. What is the wns29.m;o jg8ezmzz::mt ydo-x)gi *person'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 needed to correct for fi i2 vr-ecx4/sarsightedness where the uncorrected near poinir2x isec/4-v t 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 placesmfi2q1)u.q uy reading glasses close to her eyes, and with them she can comfortably ry) qifqmu12.u ead 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, ific:5+ ,6rr vzfg ij6xn he wears glassesz: j6f,v irixgn6 +cr5 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.m.ma /xa26:gna -uyme16zuvi A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at inemmv zmaa2:uy 16n /x-iau.6 gfinity?

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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 z+v vbu,e 2ms;has a near point of 25 cm. What is the magnification of the lens fovmz ,u;s+ev2br that person 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 uaff9vjc*jxnq2 .:(k;n t+ xzlength of 7.0 cm. What is the magnification if the i;n 9 fukxj+nxc( fq:jz*2tva.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 glassayfw/ (.r6oro:r pc4w . What is the maximum possiba(oc:r4p6 w.rr f/yowle 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 *v1/5k *q tj gnb2snm n/rdcv.glass. What is thdb/ /vnq*.mv ngjc kr5s1t2*ne 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 focaumup 9bto pkx:xg40(z h i6z13l 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 build a telescope, what is the maximum magnification you could acpbmoux: zu91k ig3 046tpz (hxhieve?

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lensesulhhu mt *35acblx28( of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use a *5h28hl3uc( l atumxbny 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 eyepiece hce0la qsybj7j( )t *i m,m-*xias a focaly t 7jbml0ma-s*x e* ,jqc)ii( 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:ba1k .lu*r kg9hkrp1 an astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the 1k1 pbgk 9*.rkuhar:l 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 maj1j82m ukca ;t:gwvf0 gnification of 10. If the telescope has a ucwj8 1gm;j:f0va2tk 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. If4qilyb) zzzb g ;; 1mence5g9( the telescope is limited to a length of 20 cm, what ce1lzy5;g) z bgmi4 en(b;zq9is 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 focal length 1.4 mm and an eyepie;)cwb z9tu 6scce of focal length 20 mm, adjusted for minimum eut ;6cs b9)zcwyestrain. 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 e/1w6qg; yy rdfocal 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 the ogd;e1y yq/ rw6bjective. 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 microscopez-+ yow08 62o6du z g-e3onb0f vgenyl has an objective with a focal length of 3.00 mm and an eyepiece o ng+6 zfe8d036vlygn 0 2 eo-uyoz-wbof focal length 6.00 cm. If the 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 objecti-c*yt rtfz ni i8.8mz-6iyy1c ve with a focal length of 8.0 mm. What is the focal length of the tz ztr8yi.-mnc86 iy f-*yc1ieyepiece 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 a/tepj o3 ea)3hngular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest apertur3 oa/3et) jephe (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 acmo) vg5uj71d re 0.010 mm apart. If the u 571jodgmc)v focal 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 cha/ +hrkxpsm :d,l 8k3bmnges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor dom :p3rm hdxb+8sk,kl/es 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 Space Telescope has been placed into Earth orb: mi/kg 1ecxk7 1j8mq cjl4l+oit by the space shuttle. What angular resolution could this telescope achieve if the wavelength isx4l/kim7k8c: gjj 1mcelqo+1 500 nm?

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