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习题练习：Physics Unit25: Optical Instruments
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 120 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；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。本试卷的直接作答链接 https://51fly.win/test120.html
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 匿名未登录  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 exposek fykg;s0/3hg d in a camera is dete0 g/3fhks;gk yrmined 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 determi9r 58+dldzxn vned 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 lf) d,b00s/wvg o 2d-xdcsnv p:ens-film distance may be varied by sliding the lens forward or backward with respect to p d-n0s/v)s, do wxc:f bd2v0gthe camera housing. If, 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 corresponjh4n kaiu :xb) h41a5cds approximately to that of normal visio)unh ka44ci5j1 :ahx bn 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 actgh26: -ak0 x k0vbs82psyqska s like 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 trla;,rd fp 5qpj2b9xb*1k1 e zhan that of the eye and through which objects appear smaller is referred to jr5 91xk,z1qb*rd l;b appef 2as 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 diffe v k 6mlwpa*2zm *(nk/mkpol73rent 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 by the e rva1y/9b5f mx;+u5whh(2f *bvrkqeoye 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 whi +ewkk3 n9v7ygch 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 cleg63auoyeo *r2j9q w.e arly 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*;f9 xdmr3 x,a6 frxgx is too long from front to back, the person is likely to suffe,f3rdfxax;6 9 x*xrm gr from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usual0 4t:ofdj: s4rtrxv 4iy,zn h.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 too long from front yn:.feon8;)5 icdrbw to back, this gives rise to a vision defect that can be corro5rbc8 :y .wen;)df inected 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+ua 9,0 gtjyez yunwwu r-)j(7 +et8eeort from front to back, the person is likely to suffer frou9 jeyu)(-+wj7n,8wt eegry+e tzua0m

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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 wit :(1yvfga5a6hy z /zixh

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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 2p16+j ygqn;dksx 7q i;mtcl- to a vision defect that caxq1t-;p2y;mcs d6ji7g+ lnkqn 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 magcz v tb2 3 r:ox4e/se3jq;l*ednifying 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 ast/gb y+.wn (c e)cr4lb8xlr b5dronomical tnb4re (5)+gr 8wx d. cbyl/bclelescope 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 scrl4qh;xfobh + yx(/g ob l9e*:keen is placed in front of the lower half of the objective eyq9 b* h(f lxlokoh:+/4bxg;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 (cyp00j3kfbh sensitivity throughout the visible spectrum, in whijfy0hb(30cp kch of the following cases would you be able to best distinguish 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 1 klca, -d9ph bs:wi hu54abm9a magnification $m$. 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 1z7 d2fkspc 0,o 9mkg* c6horjbe able to see the greatest detail when using a microsc z9f c1*psrhm0k7jok2,d gco6ope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer t)r(; k6swg /usakxo;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 frono;+gg wt+hb1m

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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 gbwq1vz6/tw z -ydv,,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 its resolving pow/e7c; io c9dkher assuming that all other factors remain unchanged? It9e; chikc/d7 os 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 poighv cx31 ;4dvwx- auu)nt of 18 cm. What lens (in diopters) will allow this persx) v;hu43g w va-cx1udon 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 away. Whanv5j8a6ybd; zt power of lens should be prescribazvdb8yn; 56jed if the glass is to 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 glasses8pmw 1c. gvj4i whose lenses have power of -0.15 D. What is the person's far poicmj14vw8g.i p nt 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 the uncorrm c kl:w42v//wdm/pjz ected near poink4mmvwwp2cj:z d//l/ 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 hvw.7y8w rlo )e*g)dw hk/c( dfarsighted person is 100 cm. She places reading glasses close to heokwhw)*d7cgy( h d .8e)wvl/rr eyes, and with them 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 fro88fxr hg*kz.s9 ed5y em his eyes, if he wears glassede9sy 8 5rh .kfxg*8zes 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 10jzq g:s na( zkut1/r0) cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused a/srq)0gjzuak:n tz (1 t 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 pewjstpq.(y -w(99xoci rson has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focuwyxco -.(qw9 9 ji(pstsed 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 magn 0v73nqvyn hzi0.y9 xo-c(i fgification if the image is vieh n f(vx90v0y -goqni3. cziy7wed 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.j/ qm:46j;edjls o5eqv 61wsp0 cm as a magnifying glass. Whasl :j6q/ p o d64;jjwe5vm1eqst 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 a magnifying gcfsgx j,u;te,ljz ohg-29: z -lass. What is the magnification if egzg, ; - tohuxc2jf-z,j9sl: 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 lena0 ,lnazt r+u6rmy*l( gths 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 tn( l6u+ rr0l*ma ztya,he 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 lenses of focfh,p/ 8 zgpodv)wb.y0(gh 1 z b*gdgs4al 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 telescope, what is the lens separat/ 0 8fygdh.p *)p1gow,hg(sv4dbzg bzion 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 has aa6d fa;3xus/c focal leng a6s3/ac fdxu;th 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 magnibij)a0p 3/redfication of 10. If the telescope has a converging lens of focal length 50 cm, what is thb0)ra ed3j /ipe 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 astronomicacf r5ov9d)uo6 tvv*i8 s4qz ,el telescope with a magnification of 10. If the telescope has a conver c9v4vouo)d*ri ,8tzqs5f 6evging 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 7f p)+d-ytgyfem -f,jtelescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length ofpmy dfff-e y+)gj,t -7 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 eyepiece of focz6nr +aktvg w 46y1q,xc 5cc6oal length 20 mm, adjusted for minimum eyestrain. A blood sampc 5qz6n4v1a6w+ r kgocy tx6,cle 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 focal length 1.4 mm and a3rhheve + w)6bn eyepiece of focal length 20 mm, adjusted for minimum b +ee)6hrv3wh eyestrain. 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 length of 3.xozrckvr/a 2x3 5/0pc y5 m*jy00 mm and an eyepiece of foc52m/ 0zcjxyr vop3ak rcy*/x5al 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 objp+++.5 kjq(9 uejv lz)tro pquective with a focal length of 8.0u)qre9 pj(+up.k vqz5tl++oj mm. What 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 constellation Oriony*0j4hz/k z yfx/e x;j has an angular separation of 10-5 rad. If the wavelength of the light from the systyjzh xzx/4*ej k y0f;/em 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 resq:nj1 jabwz8. olve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelenzan1.jb: w8jqgth 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*ez7vn8) cb cc eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle o7cz en*)b8ccvf 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 Ear l.b48 6k;urcm z2lytdth orbit by the space shuttle. What angular reso4lr2m ct lb6u8.z ydk;lution could this telescope achieve if the wavelength is 500 nm?

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