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习题练习：Physics Unit25: Optical Instruments
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 作者: admin  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 expose rcd:2 ;b,mcbpl((jegd in a camera is determingb( e2dpr(;l:c jb,cmed 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 pr*.5bpm9 ,t; m ji1o8vmdtttcamera 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 leb1pt*s 0y6y /yz9rlub ye 9j,rns-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a y*l0y yz ,9ujeby6rrbt /s9 1pfuzzy 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 coverod/ctfr2 / k4 f7rgov3s the film with a field of view that corresponds approximately to that of o 23gf/k r/rd 4fc7ovtnormal 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 imo vobr3s2tle1 qg/7;el g: 4hlages 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 9snqwin8z p-lh3e82 i wider field of view than that of the eye and through which objects qnz8h- w 2 pne9lii3s8appear 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 cam.z skosvq9y- (era 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 refractionby kdj )n1:k8r4d0fk,ir v3;ufd g,zr 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 an eye can see objects clearaeh rb s85wp1s;uir4k7z.ba4 to47 fh ly 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 ey:/.cpv1yrub m e 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 too long from front to back, the person is li,hk1 /2z z,utuqk 6xvt :vt,nxkely to suffer ,xktqt:v2 nzzv/ k6x,,ut1uhfrom

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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 codlrd: vv2:onnt, (1fm*xk e g4kp-;fnrrected 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 lyx1q+) pwp3ie ong from front to back, this gives rise to a vision defect that can be )x1p3p+q ywie 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 fr dw3c)wjw4j*wmyl7;z ont to back, the person is likely to suffer fro z 4; 3djwyj*wwl)mwc7m

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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 corre;0r 0wtvrl 3gvwhzv3( cted 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 6 xwe(*hv v;a8(k;dd8i m xb,wm;d bipw)o*axgives rise to a vision defect that can be corrected by usingxd*kva pa(vebw ;h;x;8 mmd8d)(, 6o ib* wxiw

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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 gja:i wy 1si2*:gg(kzov + 2ipflass?

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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 wkxa /e9u ;(7niqoca; objective in an astronomical twk qaiu;(/xeo;n9ac7 elescope 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 hl5v1lia 28 6ond22dui;rtd f opaque screen is placed in front of the lower half of the objd; di nd2u 2arih68l5vlo21ftective 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 visible s+qj9 bj k,e5iuh: z,hlpectrum, in which of the following cases would you be able to best distinguish betweenb:5l9jzh+,kq jiheu, 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 telescop nkqg7 -p0wso7xheds+ hg7if,tjw.rz *b,a2. e has a 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 be able to see the grew ,+ep+:4qxzysno3 ua atest detail when using a microscopes3w+: ax4uop+yz e nq,?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufljz 5;- 3c,sl fgye3bnfer 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 fro r.;0j+uwpmqh jzr1i-m

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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 refersjp*6j p/on,r a 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 re/d fv)ab-0vx60euglr solving power assuming that all o 6)0vl0 exb-gd/va rfuther 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 h uq/xq0kfv7 /oas a far point of 18 cm. What lens (in diopters) will allow tvo xf qq/k/0u7his 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 than 70.0 cm away. What power of6f9b9g f -fy*rjpt1ex lens should be prescribed if the glass is to be worn 1.00 cmf 9fr-g* 6p19bexjyft 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 glass2lm;*hs+.c wph5:qm+ wkgjpu es whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to the eu hw+kq+ c2*;m h5:p.jgls wmpyes?

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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 + ikl8qa;cdb .9gp yg0where the uncorrected ne lga9+kdq.0c;yg pi b8ar 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 is 100 cm. She places reading gla)i vp7 gfqv-r7sses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What 7i7)rv-gqv fplens 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 eyess-4h k7fxdvb . 6tw5ro61mdzm, if he wears glasse r . hk x15v-mb6w4m6stzo7fdds 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 a56 pr0h h,m8stdp.rjr near point of 25 cm. What is the magnification o6 j8hrdm.r5,rppt0 shf 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 focal length of 10 cm. A pup59o p 9rpb*0 s 0.qlamq4lkperson has a near point of 25 cm. What is the magnification of the lens for p049.kl0l mo5pppr9q* sqba u 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 f*e.z )h kq5z5hqgtwjlp+ h;u(ocal length of 7.0 cm. What is the magnification if th q;kwhz)t(lg.5 e *q j+5zhpuhe image 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 magnifyingnlj v0yi;)4 ar glass. What is the maximum possible magnij0 ra4li; )nyvfication?

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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 4 dstps6w) qd hue01;vr we 3jn(87njgfocal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is rel6)nuw 7e jv3;stewrhd qnd0(gjps8 41axed?

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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 2.0 cm, 4.0s1h0au-quxq(e)8 3(p1f gp vn-hj h nt 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 1-pfn0q-ht a8gu3v (xp )jusq (1hehn 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 ce+, q; qip:4mjgn 8 w4obnxeo;m, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnn:q qx+4goe48beiw;,onm; jp ification 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 ,u7 pe9 nmjqp 9pnb5i.kjnmes6:o.i :has a focal length 6mejqs,ine :.p7 . pn5oujibm p:99nkof
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 magnification of 10. If td+m,i1oaklfnz, n a-ry( 4-oz he telescope has a converging lens of focal length 50 cm, wh( r-aiz4y1+kaz,ol-,o nnd mfat 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 astronomical telesc8l0ekqce-t3 r 3thao5ope with a magnification of 10. If the telescope has a converging lens of focal lenrahttq-80oce k el 353gth 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 limu8:amh bzevz7* x+uq9,;n zv(dv sokalj -r26ited to a length of 20 cm, v9r:*zjvz (uhox; a7-eb+zqvasul6k 8n 2m,dwhat is 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 eyfg75 r*9yg mf9fbfgdro;h q5t .*dsg)epiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far a5t*)g gbg r h;g5sdfdy.f f7qfm9*r9opart 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 and ytw;p t,)( eggmcb46 eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the)m(t b 4te6yg dwcp;,g 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 3.00 mm and an9oht/ */x yx0h l8vpge eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magni/ t*glxp/yhhvoe98 x0fication?

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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 witn njvhjab74d4uk)oj6 m6 67jo h a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnd6oh6 jj4m j7k4an u)nv jb6o7ification 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 bgzx utta7tze-0l35:angular separation of 10-5 rad. If the wavelength of the light from the system is gt x lt:0e7ut53zz-ab500 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 objects which are 0.c amn 0dxt .sd(*syx*lb:w9 v0010 mm apart. If tt vm *0xywcsbdax9l s:* n.(d0he 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 3.5 mm to 26xyzj(h1gr z1.5 mm as the illumi2zz h (xjr1yg6nation is increased. By what factor does 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 int6qg+/guqw) fru fxa9,1cdk5y o Earth orbit by the space shuttle. What angular resolution could this telescope9a cxfr)uw,6 uq1 kqg+ d5yf/g achieve if the wavelength is 500 nm?

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