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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 shutt ,x +*ewvy6xrf q(7ycuer is open and the film is exposed in a camera is determined b +,6xfvx*u wq(y7 recyy 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 a6yyx tl)v8n gwc7.i2the

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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 distanc75ns;7m, j2ihcg nhrle may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzrj 7 i7h2;,n l5nhcgmsy 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 hsr04kufraj 2+1oo*eyc6 ro/that corresponds approximately to that of normal vision is referred to as a0s +ceao/kr 41roh y6r2u ofj*

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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 fiz/zego*n68c 1l:8z 8mdm wris 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 thayn2f *ircn.z95 y ;xezt of the eye and through which objects appear smaller is referred to e*x9c y fnz5r2z.ni;y 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 wt)pl-hq :ab 818gul spays 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 ould+m05shs.1p cnlapq d61 +pf 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 0e-twu 5ma5baq03ij+ynnct9n p)) z uwhich 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 ckcf;,mr t3ulym00e1zzp) .yxeu wx-2learly 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 to5.2caepki2bv5 vkp* u back, the person is likely to suffer f52ae pbvi5*kc uk p.2vrom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually 7x9om l(6b4s2o 5 xnpt2 ecivydw1, odbe corrected 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 1pz cy(hh;q14 n.arrd from front to back, this gives rise to a vision defect that cand1chy;(r hqz.1r4 apn 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 to-g:: -dk uwwfl back, the person is likely to suffer fromkw: udwg -:-fl

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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 corr kcod8t)90r4mw b :teso+g7uy 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 toova1m-76n6rd) meszq np; )v ju short from front to back, this gives rise to a vision dezav- jd 1n6 )6vempsu;qr7n)m fect that 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 magnifyinu))9 cxj wadh1g 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 astronmun21ewwzjdx -a;ae0 :79 zb yomical telescopewueejm;2 9-a d1 wxa0z:bz 7ny 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 refrh;8wi64siw thacting telescope. Suppose an opaque screen is placed in f8iww4 6h i;tshront 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 sensitvm mr93/p/usuxk44spj 8l7f qivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish8/ms ru p uxs/f4qv7lkp3j94 m 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 magnifiz * u;1wzbs q,,lel2gqpgs)+9 kt.fxscation $m$. 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 tzkknaf.1wo ..h (k(z 3c* oppto see the greatest detail when zpfpn( o .a..1ko3 hkzcw*(ktusing 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 sufferi;96rwgc /3ds nkhki5 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 ferw/2+xjm digxys v+, **f*ql1qnh : wrom

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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 tias a3k x9mqy: 3+. vn.buet5fo 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 resolving fw n.x*a :zy5-*j+l:-vsuaww2 b g nuupower assuming that all other u-:*g x-yu wz nnjl+ua f*5.swwav: 2bfactors 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. 0w l9k tf(;ji8dgciw;What lens (in diopters) will allow this (; g8iwt cwjlkf9d0;iperson 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 m *3ehjaz4eb,eqd(vo))gg - ,uqtlu a:ore than 70.0 cm away. What power of lens should be prescribed if the glass is touue evza,hd g)l(gj4b3qota )*q,e-: 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 h qipz3 -,gad9wave power of -0.15 D. What is the person's far pointpad9z iw,g3q- 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 where 3r;bftkg1 - /zuqoel se6g/*s9 utjr.the uncorrected near point q *;e zu/.t9b1sk -f6tgu3gsl j er/oris 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 1w xhfdgs1f+4 05 xgsymp y/5lso067yo 00 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distfoyo6sx5x4w f7ygm/+g sp dhy0 51s0 lance 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 e*u;*j8yxl8t3f nct6ridf, eheld 25 cm from his eyes, if he wears glasse e;tt8*,rc*n3ux fe8li6yjd f s 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 perk6q:p7fakl)4vxovu mmt:u+9pr q 8m0son has a near point of 25 cm. What is the magnification of the lens for that person when t6p flt09uqq4x)okk7 : mm8u+ pvm: rvaheir 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 lengtrr1 c2m:bg1f lh of 10 cm. A person has a near point of 25 cm. What is the magnification of the ler1:m f rb2glc1ns 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 ohhg/w tie iq;ls/n4/ (f 7.0 cm. What is the magnification if the image is viewed by a relaxed eye? ehisq w//inthgl; /(4

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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 fo4nk *ktr.gs3y 8khx 95uqj* nvcal length 5.0 cm as a magnifying glass. What is the maximum possible ma n59q*x84 gy*ntrshvk3jku. kgnification?

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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 converggni4 qy nsp4 )m;nqq18ing lens of focal length 5.0 cm as a magnifying glass. What is the magnification if;1nmqsg pq iq8y)n n44 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 7xc te1lue/rnu1e h st:32-dd2.0 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 could17nlc htd :exees23du 1utr-/ 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 8 e kjm3(jb)wolengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you wew oj3bme8 ()kjre 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 eyepkic f0w vm.ck1a4d .p.iece has a focal lmkaf.c .w14ip d0v.k cength 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 magro/ ):ao+ dqtrnification of 10. If the telescope has a cr a/or):d+otqonverging lens 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 astzg)ev6 e t8y;s + :6jz1wakuiironomical telescope with a magnification of 10. If the telesco zk1z66;vsa ii)wyje8 g+ u:etpe has a 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 the telescope is limitel6+92njcl ctf 6iduy)d to a length of 20 cm, what is the approximf6 tynl luic)jc6 9+2date 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 mmw3fiutxes 2djc*+j- 8cz9 ; rg and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apar8j3-gexzrtcfdw+s* ;j c 92u it 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 o3f2 ymm* mo(uybjective lens of focal 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 objective. What is the overall magnificumo2(my mfy*3 ation?

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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 aru4zkf o4t+t u8/aj d0 focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separtj4u r+k08zt 4da/ouf ated 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 objective v e0/z cppgqj4-l3+lvwith a focal length of 8.0 mm. What is vl/z4pv -pe+cjg30ql 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 sq)8ku;zb k e(fyg .a2zeparation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diam k;a()ukeg2zb q.zf8yeter) 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 ajw c:2t1+ z7( t.nuyt debh/dkj8zo4lre 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the dia2.(e+z4t whzkno blc tjt/1d8d :7yujmeter 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*j jy8j 6 .5mpowbez5a a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution chang j j8p5 6wmb5eza*yjo.e?

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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 hqy*e0i q u*i4i gw8oa6as been placed into Earth orbit by the space shuttle. What angular resolution could 6geq4u iqaw *oi8*iy0 this telescope achieve if the wavelength is 500 nm?

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