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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 thm +odpqccf 658;bge it2be-1 ie shutter is open and the film is exposed in a camera is determined bycpd+m8 fbio-12q ie ;e56ctg b 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 cameu0u j+nbjk3nkbgujpest6x1x6 3d+ .7 ra 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 reflemt5zm)o2c/,ct5n e) fy lff 7ix camera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is i5 c t7l,foey t)mzf fc2mn)/5obtained, 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 t/z y z3nr2ra3owqb5q ;he film with a field of view that corresponds approximately to t;2r5bz onqqzr33w /a yhat 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 gfjqx9o;wco*3 o,h 2f3qd itua w:m35like 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 fimbej6)u6od * 6nk9ike eld of view than that of the eye and through which objects appear smaller is referred to asm * 6e)k o9dinubej6k6 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 fw15bp 7awo 6kdifferent 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 refractione f nl (6ah*(llg7ig,j 8(jebn 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 anmdqjbt*:,1 u iqm8t7;lmdz -j 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 objecys8q m/+p +rz9yww lk/ts 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 bau v4 ktt:t(n wg)3q9yack, the person is likely to suffer from)wua:t4(tvk3 g9qny t

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usualzz:,iocqjuxq ).77rf+hdw /wu 4osg 14vl rb/ly be 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 +oslms an*(t7 0 n3(bkcaci7s too long from front to back, this gives rise to a vision def(o07lmisk(s7snc b 3cnt*a a+ect that can 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 back, the petkfjq)5 0y cpztfjji uue.i12d:- 1o /quv-.hrson is likely to sufft qvo5:qu c2fi)1yje 0.d-ht.-upj/u 1fz jiker 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 corrected wit5*n zsp t3h-uw) at-lcf u)d,sh

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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 he9 29 cazxqj ,j,bg6qgives rise to a vision de j92gq ec,x6ajzb9q h,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 magnifying 3.vsqxe (yot 9glass?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason ;tpfes7zwa3q -4 w e5sfor using a very large diameter objective in an astronomical telesc4pt;qw s3 -we7esfz a5ope 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. Suppose an opaque scra06orl q x6y)eeen is placed in front of the lower half of the objectieoq al6xyr )60ve 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 vigqr2j pmn,l,2 hme ,e.sible spectrum, in which of the following cases would you be able to best distinguish between t h,glp m,2e .,j2mqnrewo 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 mmi ad;2j1:fje agnification $m$. 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 greats3t gqf -cc/;n(8om veest detail when us c omtcnv -;qf(g/38esing 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 suffer frol (8e jfz;ub0km

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frori4a 7*oby:s tvb(x /)o(ruz km

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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 microsk tu:x,j -qcg8od )yqi(e x.*f7l hfz3cope 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 doubled, what happens to itssmbj21zrr v8lr -(l+ec):q xx resolving power assuming that all other factors remain unchanged? Its resolving powe:rrcbmelqsj v1 r 8xx( 2)lz-+r

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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 diopt h*mroi8n, )1pladiw1dx y2(d ers) will allow this person to se8d(omd1dr) xl *ihai p,2y1nwe 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 clearlyigd7+ffn z d/2*b qdc/ objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm i/c dq*gf+7/ dzfdnb 2in 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 persons 7c(zbl**- 8kmynu:xdue7) aptqp n0 wears glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are veryzume7n (ck*7-tdlp8xuy0b)q:p * nsa 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 farsigh; yv6 ir:sk rw3s88rsjtedness where the uncorrected near s 6:swr;y8v rsr8ikj 3point 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 places reading glasses cy .ny itqgiul/6,n9*pwa v-7flose to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens powey vqfn. u i-/wyp7nag,i9* lt6r 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 ;hdd5nvmqg;3l, 34ob jm6d naread a newspaper held 25 cm from his eyes, if he wears glasses ofd5 d, abj 3qmn;hdo3vn4; 6lgm
+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 neg ovawld/;* oud ynql .z+*:w/ar point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infinity?o*wdou y;l dz.vna gql//*:+w

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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 nqx.ef 8d6 g9/r cgu1q q.ged-eear point of 25 cm. What is the magnification of the lens for that person when their eyes ar ude961e./-q g8dgxefr .gcqqe 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 focal30k;4c mpla4w4 hsxaqca.o7m length of 7.0 cm. What is the magnification if the image is vm 0p wa3mc4 k4lhaq;ox sa7c4.iewed 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 focalseu63 1 njq,-k;dk rdl length 5.0 cm as a magnifying glass. What i3drklk d-6;usneq,1j s 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 cmequ0gxu5/ ,.n c f9jg dwxi3veb e0*t/ as a magnifying glass. What is th ee w9e5ncg/.iq0jx/ u g*xv uf0t3,bde 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 ofwiln2+,x ma-p focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of n,pwx-2l+aim these lenses to build 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 lezw4ezfw 4;c2 *svbxj+dzu.o bn1u 0 1jnses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a teles0zbzjw1.ubcjx *2w on ;4es 14vudf+ zcope, 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 focalel(eald 03 sp,hr89nr length of 200 cm and its eyepiece has a focal length of nsd3 re8(9elr0lap, h
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 magnifi(fxs1 r z5lj v+*lo;kacation of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the e1(o+5 f a;jv*xszrllkyepiece?

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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 telescopem 8+hoavo2ds8f ;* gjm with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of theod2o 8 +sjmfv;8g*am h 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 2rph m22: lomx1bffy. a length of 20 cm, what is 2rm.fyb:o1 2m2 lpxh fthe 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 eyepiztu3 q1/jns 2*wxec4jece of focal length 20 mm, adjusted for minimum squwte31*j j42zn x/ceyestrain. 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 objectiveorbkhtq)/8 +6r k.xdml3wdz:c 6 xi+p lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed /:toxqr8 dbh6kr+3 ck i)zxwl+6m .pd1.5 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 h 1qvw5etf 4z:5m1 pmwxthbs2a4 cf7v7as an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. ca1w ef57 hxmt2v4:tzmwf p7q s5bv41 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 objective with a foj7k3o;9yz1jh p m81yxh sz0 (0i mlcxocal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 2kzzx7y3(9joholhm 10px;s 1 8y mjc0i40?

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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 cons9 v g//dcq-bjqtellation Orion has an angular separation of 10-5 rad. q c-qbvdj9/g/ 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 ouunebfo ;)mez2t3 2 9mbjects which are 0.010 mm apart. 9 ; 22ue m)ozt3bnfmeuIf the 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 changes from a diameter of elp2 cvb*42vr ;wti v7p*9mwh3.5 mm to 1.5 mm as the illumination is increased. By what factor d e;c*hv4vwpm 2r2*bl vtwpi97oes 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 Hubblpe42x,sc i oy5g8:sux4z nlw q(eo :5fe Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if ,p4unozxsweecx 5lfy8gq:4(5 2 oi:sthe wavelength is 500 nm?

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