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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 ku+w q) obo7g2ow6nr g;xi+ s 4mgi*d6the film is exposed in a camera is determi62)g;7in +g*6s qomkwxobd ugw+4r oined 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 reachin 3ol3hyon9f8 fejj-7v-pr+am g 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 distance may be vvkvlv- u5ne .-aried by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this means thvv 5- k.unelv-at

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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 thatdlx me o2 31,yl :ud*riup2n/a corresponds approxir d1/ad:2m lueyx i* o3pul2,nmately to that 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 like a telescope to magnify images isw/1 z5:(p;c scmw lwka, 8rops 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 bq: tiylvw7o;. og/2x film with a wider field of view than that of the eye and through which objects appear smaller isg wi7otoqb/x. vyl2;: 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 camera different fr7cg* 9dh e1 rq(dh:vktom 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 eye occuri (xdv5ykgoi *js4 :x+s 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 clearly isitdh6. v.c/br

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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 cleazn: )m+ -zuyv12zud q8 r1q e5gzkqw4urly 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 frjtxndl w6jb;3sn(8*.1 szs 0a mgvi2l ont to back, the person is likely to sufferj;ms .8j alni2g6blxz*0td1(v wsn3 s 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 b 232;zcdlyexo, xcq:ae 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 to -a;gt*ogcaa-g 5t1 np back, this gives rise to a vision defect that can be cong toc1gtg paa 5*--;arrected 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 bac2k 1t9jpac:0 zf:cd v:jb/v vok, the person is likely to suffev0pvd:9az1:: vcb /jc2 j otkfr 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 ,w).dab5 lfqrk3*pfgbe corrected 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 7g5)b+p8l o/qngsazfw9fr3 eis too short from front to back, this gives rise to a vision defect that lpg8fw)/9r3bz7f+a 5q o ges ncan 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 fco+u0/19sow rn ty p.9kw w:bglass?

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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 5kjz. 1kn4t- batai(b diameter objective in an astronomical telj -t4t . bk5bn1a(izkaescope 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 tel szrrdynik( *p.f-: 4qescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect wi-srn *z4iypqkrfd( .:ll 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 uni/7g2g42rwhuosj sfppnp0z(7form 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 objective lens of the telescopej w/srhps07(pz7 f gon2 g24up 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 h:e(.cmj4lh6 jkm g*:ql/saedas 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 ti0hp/vb7 f(ep8m ec./rd+aouo be able to see the greatest detail when using a microscoe0 +mpr u.e db7hap/iv/ o(c8fpe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer k:1ty)dh6k or.lq qd+- sth9yfrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer froqic-:0 /coqk fm

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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 to;:sv dzo:) beg/vn. gm 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 resou mok30dvv 2,;yje,bm x,9ls qlving power assmkdxq0,jso vmb l,2 3;e9yv, uuming that all other 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 has a far point of 18 cm. W3 gcc*b tp4ucfvbt 3)8 uh3h/lhat lens (in diopters) will allow this p cc /ttclh48bfu)ph333 b g*vuerson 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 mn0c am, 3zlkt(1u0k gof lens should be prescribed if the glass is to be worn 1.00 cm in front of the elzka03 k(g0 um,mct n1ye?

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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 glah wmy63; (kajnsses whose lenses have power of -0.15 D. What is the person's far point if the glasses a;3 wh kmaj6n(yre 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 farsightednemaalhl ,kq yd0xd:4x63b;y+iss where the uncorrected near point is 75yl dx 0iy +k4lhmqbd;axa36:, 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 pl.:l8va4yvdo5 2wf prcaces reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens po:2cv y.d rvop w84fl5awer 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 c6 a tg5vle;6 )rdt7g1lptaf2eyes, if he wears glasses og 5at 6;vgdtcar 7 lept62)fl1f
+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,: qt1ie3 af 93mtgobp focal length of 10 cm. A person has a near point of 25 cm. What is the magnification ofq e3o 3t:1mpgt9fbia, 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 person nz uj0/nsq0( bmp6)cehas a near point of 25 cm. Whatejs(0/ mu6 z)p q0bncn is the magnification 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. What is the magnifica2kitk v+b 1oi7tion if the io+ 7vktb1 iik2mage 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 convps swdd 4.-v,a8 ej abs3* 1am,+akq 4wcmalb3erging lens of focal length 5.0 cm as a magnifying glass. What is the maximum * ,s.-3 sva83 ae,qalc1m 4mdb4bpwkawd j+aspossible 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 lengtp1 yk++gxx0fdl bw 0w)h 5.0 cm as a magnifying glass. What is the magnification if the plgwk+ fw0)xp+bx y01d erson'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, a c:(6u/ onyh1dnjxaww c/x j7;nd 16.0 cm. If you were to use any two of:ux6c1j;y nn(w/hdc/ow x a7 j 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 lenses of focal lengths 2.0 cm, 4.0 cm, 8.0 uv44 fz8ra 4 sla8 bha6:rf4xdcm, and 16 cm. If you were to use any two of these lensr84dhzxu6faab:vla448 4fs res 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 ekn()b9m jrz 53ll 7rptyepiece has a pmll9(n)r tr 357bjkz focal 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 an h4bn,bs1k*kr 4s ib7r 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*r b4 hikb nsb1,rks74 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 telescope with a magnification of 1:47w6a yy tblj0. If the telescope has a converging lens of focal length 50 cm, what is the resulting7l 4jbtway :6y 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 lengthcoq536b*mv /. gepp gw of 20 cm, what is the approximate focal lengthv g.q6*pmcweo/bp3g 5 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 eyepiece of foct6x40 82gri f.iwtny2zu dl;cal length 20 mm, adjlux4dy w t6 ;ifzi0nc r28tg2.usted 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 1.4 mm ane0 6-b6auc c((hmpmie/x /h ibd an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placedh0cep ehx-bm// ibm(( a u6i6c 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 an eye9.dlp5ybyi z zy)la80piece )yazi l5890. plzydyb of focal 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 objective with a focal : /frfk5 x1v 7ifucsz1oc+m ,xlength of 8.0 mm. What is the focal length of the eyepiece to give a total magnificationu 5 s+xkrmc x/1o7ffvfcz:i,1 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 constellfeaoto9qlw7w+*6w4d (ip 1tn o-ozc; bvf4 6gation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, ( +74wof 4;opdgo9 wz1n*te6i-cwl q a fb6tovwhat 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 0.010 lp:6jh6qbw rb:u/tr6 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 diameter of the objecpb h6r6j/ r:q lbw:ut6tive?

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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 1.5 7e 9s +gkpoo7a* p2tdw2d: xxgmm as the illumination is p79+ sdg7d 2kxgeao*xpo2 :twincreased. 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 beem;eyke3i(oi*ju d p( *n placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelengy* jei( po mk*de(3iu;th is 500 nm?

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