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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 camera51 npqjof qn4 l-6v,gq is determinenv,fqq14l- q5oj g6pnd 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 camera is determined by th a *qg5w gdbag1,.w*sme

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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 nvvl6if, 523ekwvsk2be varied by sliding the lens forward or backward with respect to the camera housing. If23knl5wsk6vfe 2v ,iv, 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 corresponds 8 ,v(bpgw o5vcvrc2a1 rmg6 e3approximately to that of normal vision is referred tmc6a5op( 2v , g38 wrcrevgvb1o 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 referredcpftgud: -88 l 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 fieb0p-s+wj(al zld of view than that of the eye and through which objects appeazsbl0 ( pwj+-ar 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 diffeupxms1ntw o,-; d.d.j- soww4rent 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,w gmz0a+ 8srh0p 5lld 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 8 go t7pl(r-onqgcf:, at which an eye can see 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 which an eye can see objects clea/0a :8 phf8jr*pemay*ix0k wkn;pc6brly 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 lonr1c.r o0)fws7: gjms hg from front to back, the person is likely to suffer f0:7rmh1owcgsj.sr ) 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 cpvs /1h*fjbp x4 h9xr+orrected 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 gi7nm2i enqf 2 fyz72ju3ves rise to a vision defect that ca2 jne2n7y37iz2f mfu qn be corrected 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 tmo w3ddo1b77,+nus2 yak0mi uo back, the person is likely to suf2 dbk37 i wu ydon0osm7u,1am+fer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuvs;/d0plka m0h/y*k 6ln :l8eot 7q vdally 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 gives rise to a g.t*wd aey)tq4+p.+ 7ugv(j 1qylwhi vision defect that can be c1(eapg.h 7qy.wt ulw4* y+q id)tj+g vorrected 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 o)ewy b 3xmjf*k.m/;7 hqcvp/a magnifying 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 nsm c ;:8 jsbsdwx50 58sqkxg:in an astronomical tex8jncs;wx58 bs:5s sm:kq0 g dlescope 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 telesco -avd jzbcpis: n*h5)4;:iyrqpe. Suppose an opaque screen is placed in front of the lower half ozq :yn:ids5bj v ha-4r*c; )pif 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 s3jul69 v9ie 07ze nnkvisible spectrum, in which of the following cases would you be able to best distingunnuij ekzv699l 0s7e 3ish between two closely spaced stars? (The 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 magnificathq-3wf;o/xqc 1rf z q:x (i1 hf9k9qwlion $m$. 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 the greatest detail w. /h ;-wm(dx73ccl3q-wsynbzf s*i cq hen ucwb/l wq7 z;m-x.cc yd33fhs(q-s*nising 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 suffel6bm8b9gs mnkeh 8ph 72e i39rr from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fromj r.j1za agc)/1bt,0 irb s7uf1tn93w vmg1qz

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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 abili6rmq.gn33qgzyy op/ i(.e-su 4fg m1nc.ld j2ty 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 do 8:h6zkui )5d, xu*4djmk hcqeubled, what happens to its resolving power assuming that all other factors remainq4dhi, k85u d)m cjh:keu*zx6 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 az;tj jryt0g 53llow this person to see distant objez 5tr03jgt;yjcts 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 clean 43y7 i6 5coyash3yhjrly objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in 3hy4jsh3675oiynay c 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 lense6 p-16opxk i(yvfc+ rcs have power of -0.15 D. What is the person's far point if-6pckfr +6ixo c1y (pv 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 corre6qxe- e8gm(re ct for farsightedness where the uncorrected neee8ex q 6(m-grar point 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:im* ) s,zr5bt1khsoe is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lenho1i,) b:mre5sts z*k s 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, if he weajt tj6 g;*)pu(hq/tp urs gl/jgpuj;(*t t6p)qhu tasses 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 nebne8z4; wc4yr ar point of 25 cm. Wha8nwb y4 r4cz;et is 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 wht-p)i2q 8d :utp8 ctfocal length of 10 cm. A person has a near point of 25 cm. What is the magnific2tqi):wp du 8p-tt8hcation of the lens for 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 length of 7.0 cm. What is the magnification if)t ssi5x:f *-ioit:ln the image is viewed by an:tfs:5 t)iixo*s i-l 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 lenguq , 8,/rc8*upwvjh xdth 5.0 cm as a magnifying glass. Wha 8h cu,x*/8u,wq jvpdrt is 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 a6z2kfzo jkd)f6 n 3q+s magnifying glass. What is the magnification if the perff26qk36k) o zd+jz nsson'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 lensvs -39+m if efez11 :k8dveqbbes of focal 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 ma9kbez bq i:+31-fdesfe18v mvximum 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, ag0mf1- xw:ds xo f2+dend 16 cm. If you were to use any two of these lenses to build a teless0 fm:xdx+-ofdw e 21gcope, 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 cmx(a80 h3zkwut/ nr2eo and its eyepiece has a focal length o3k u/n (troaw 08z2xehf
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 .);xj t1 (fkdtshw6 bgmagnification of 10. If the telescope has a converging lens of focal length 50 cm, what is fs;j6ttb)hdw gk( x. 1the 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 magnlx zzz bc5m)*.ification of 10. If the telescope has a5. mzz) bx*zlc 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 3heja909nm ix the telescope is limited to a length of 20 cm, what is the approximate focal lengthmja3 x9nhe i09 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 andn-k+)fil j*mu an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from tj kfl*-u) m+nihe 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 focalv)bz d4 9j9kh9xa/l bid+lx*n length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrainxhi/ v)d n4jd9bab*+xk99llz. 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 an objective with a focal yu4dx7khur y -ssb 7,0length 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 the total madx r7sb,y7uhsu-k0 y4gnification?

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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 objv0vs5smc;e/cg t7ut .ective with a focal length of 8.0 mm. What is the focal length ofmccet5gs /t;7. su 0vv 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 separa pv m4rvz,ka*/66 uyrztion 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 resolr zm kz/auvryp66,4v*ve 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 whichy7l;; sm8dki .yio r*j are 0.010 mm apart. If the focal length of the ob*;iyko d;8 m.ilys 7jrjective 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 e)7otlswh nx 8)t(d+o oye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of r7d xooln o8swht+())tesolution 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 beik* x:2 pej ;9x)awlgten placed into Earth orbit by the space shuttle. What angular resolution could this telescot;)lexkg:aj2x9 p*w i pe achieve if the wavelength is 500 nm?

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