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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 exp+*9 hxx-dfuvaodu -;s osed in a camera is determined bf-9 -*u x+;udavh dxsoy 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 reachiu5dvst 31 9pngng the film in a camera 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 lens-film xmr-0hlzm j4 7distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzmm -74xlj0 zrhy 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 fieukob;vbzn7z r:3zgqx; :5nl :ld of view that corresponds approximately to that of normal vizurb7vg:o;z kn ;n:q5 lbx: z3sion 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 images is referred t-hu5rea. xavjq r+e52 ejamd8. dhi/:o 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 j06y2nkkzzwt q h/r; )of view than that of the eye and through which objects appear smaller is referred to as 0zk 6;kqjwrn/tyz h2)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 wayskmq -lj+ jq-, ck25l; jfit8:ju4yu cn 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 refractio(ro)vi esvpf8t r;.g.n 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 av ;7o*i bkprsx1w-; int 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 a 85bijn8bv wyxez :e d6(l)ij4t which an eye 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 likely to sfm vvxm 1bk*.c t4.e8s gl:j+ouffer jmxg*+.:.v4f e8st l1mcokbv 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 corrected withnr6.n7ywcn67il 6 dow

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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,nw w cmbp**)f gives rise to a vision defect that c*cm fw b*n,)pwan 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 person 5 zb 3gc:rupsicftx6p -:. jkv 6jt+)zis likely to suff3ju f:sg6it) jpt5cz p:b+vz- rx6 .kcer 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 withl s*;acy5djh5

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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 shortp0c.gti;dxz,sa1qe n3z 5 ys2 from front to back, this gives rise to a vision defect that can be corrected byq c a23;s,e0zxigyzt5s d .np1 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 mavjmdk 2ouz+ 5-gnifying 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 sb i :d-:sm-gsobjective in an astronomical te-s-mg id:bs:slescope 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 telescoy tljf 9w1.rt f9rnj/9pe. Suppose an opaque screen is placed in front of thw1jtl9 9 tn fr./frj9ye 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 un ju ;m*n2 :/elatluu73h wt-puiform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the o u;*7ap:e/th luu tnm3l2j-uwbjective 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 ma6+8ftn sj 6zp rc*epv0gnification $m$. 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 wfxrgp vy s(l *pe2)g+9ould you expect to be able to see the greatest detail whe2rygp9)sfv e+lgx( *pn using 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 fromqivb/: i(w;h:fe k ub.

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer from y( x:0fye2jui2ju:gy

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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 micros9nnk0u)adxfw8fw3 8 ys z3x,ycope 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 ie4:) 0,x0 q8s oh6zaqyjmtd tjts resolving power assuming that all other factors remain dq4e tz 6q mys):,a0o8jjx0htunchanged? 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 le7 h0ph5-il kqjjto8 .bns (in diopters) will alpkit -ho7jj b8 5l.qh0low this 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 of lens 1llywtt kad i6 8h3i.o/2sk*pshould be prescribed if the glass is aw2odplt3ikl/18* yhts .ik6 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 glasses whose lenses have power of -0.2*tei v 0ucjp.15 D. What is the person's far point if the glasses are very 2 ij.*u0t ecpvclose 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 corr+z(amu p99x 9tfcw;k pect for farsightedness where the uncorrected near point i mp9pz9f+wxc9(a; k uts 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 farsigh/r;kj0jd v :fx ksd-v(ted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfo kj/dvds-jkr0 x :(v;frtably 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 from his eyesk0k a6daod,9zd(wc;y6l* z kl, if he wears glao0 l, kacw(k6d9d*z6ly z d;kasses 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 i,jrozhae g7 )7u/ hmj8nvz/yr 7z:2ia focal length of 10 cm. A person has a near point of 25 cm. What is the magnific 82j n )7/eyz:u, hgizohrjmiz7v/ ar7ation 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 focalw ny2nfgo pxdqn-y;u56 /gh.3 length of 10 cm. A person has a near point of 25 cm. What is the mag d 6 gn3oguqhpnyn.-y2w;5f/xnification 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. :t+nzq+y dec6What is the magnification if the image is viewed by a ynet:6dc+z+ qrelaxed 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 magni; ;:lfu xg;/ oak5fbcmfying glass. What is the maximum possible magg mb/o;;u fa;:lkcf5xnification?

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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 magnifyi:9ij9z6he;4 bngh bge ng glass. What is the m96gnhje g :4ie;bb9zhagnification 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 of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.q/(2rzsum+ )m -d qwy/uel/4kl huu2s0 cm. If you were to use any two of these lenses to build a telescope, what is (uy)duq/srhms u4 mq2/ezl u+2-wk l/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 lenses omey/ptz5.8qm , ;zq.;p m7agurj i ix+ 2aa7kaf 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 telescope, what is the lens s ;zzq uj2p87irq mg.,amxta. yi/e5pm k;7aa+eparation 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 itsv4wp(h:rvfu4 50 ad3) l opupp eyepiece has a foca4u) pv0p w4:3afdop vr( 5luhpl length 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 aty1 6(l5 oz27z o/eecl 2trpstn astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eye 5lso ytc1t6 (2ltrz/ez peo72piece?

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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 magnification ofqf x95* jgvln*k10 csa 10. If the telescope has a converging le*gjvflq 1ax*s0 9k5nc ns 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 limited to a length z.ztf47t, lsw of 20 cm, what is the approximate focal length of the ob,l 7ftt4w .szzjective?

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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 and9kj)cvbhpe8mx 6/( u g/du v4x an eyepiece of focal length 20 mm,6duekm/b u(v9xx)phc / g jv48 adjusted for minimum eyestrain. 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 objective lens of focal length 1.48c 9avf 9n tlq1kw 140cfp1a8it2pibe mm and an eyepiece of focal length 20 mm, adjusted for minim0lv2i89 qp9cknpbt41ac1f t 1afwi e8um 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 3.00 mm and nh t9 virlv+whpmh f 8/o+44in0eq8. kan eyepiece of focal length 6.00 cm. If the two h4f0k.++nw vln 8/h9et4ohiiqvp8r m 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 foqogvo01chuo..4 . nq scal length of 8.0 mm. What is the focal length of the eyepi..140qv usogh .on qcoece 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 sey o* b7z7sq4o:j/9sk ovkosf 9paration of 10-5 rad. If the wavelength of the light from the system isqks9oovoz9477bjs:*sky / of 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 objects which are 0.dg*9 i;+8g7bg mmymlt,7oz jf 010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength 7 gdj+mig7mozflb,t;yg 9*8 mof 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 :b, paz(mqxneiu r*g8 l;,l9)xlds*q3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution chang ;g(nasu*8qd9lzmxrx*,bpe :)ill, q 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 reflectingazaqg.j nvb+we d :3** Hubble Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nv.gna:ebdqwz*j a+*3m?

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