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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 fi2 c(2irz /qdyglm is exposed in a camera is determined y22giz(c dq/rby 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 camk vdap7y1p rk1+8a zh1era 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 cameudqifotw4 +4 0uh: 1lvf1vs1mra 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 obtvlod+m :1 141u0fti4s h fvuwqained, 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 wbw0m qga s*:1n ao6i pty8).uqith a field of view that corresponds approximately to that of normal visi16qum. ay:s*t 8oga)bpwin q0on 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 telav7tlv- vegofx; t8/;escope 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 yh(/8w t4 0 gpuka -mehal3:cja wider field of view than that of the eye and through which objects appear smaller is referred:/8 0ul3w-ycemjtag h k 4ah(p 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 from the humac 3jasmz+l921f,:prf7 ajhg wn 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 eye2t ep ,zwz )xdgydf/deu2e77- 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 clearly is1+*c*erfkl;. gpkpm ,lo ,sqn

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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 clearlyc- vn:x;.l/lj2no rxn c3bo i7 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 fr;bp,jw0 grja 0ont to back, the person is likely to suffera0 pbjj;g,0 wr 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 kq2 w us9.e3ymhko +.ewith

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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 cp/l79 rbxsg+i7 un), w+nqldis too long from front to back, this gives rise to a vision defect that canbr9/xcd s g7pn,li ++lwunq7) 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 t 1mk 829iz npdktv:+bvo back, the person is likely to sufzi8 vknm+vkdt:p12b 9fer 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 correctedk5 +xouolq* e: 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 t 2rb t3d( lmayw mnxus/1n*i1fhs6l(7oo short from front to back, this gives rise to a vision defect that can be corrected (2bsfu17aydr n hi3xl*t(/m 6slm1wnby 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 glass? iaio3-d5oycedr, *v82vz qawd t;01i

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason f19fl /-qea,xm0z cyk eor using a very large diameter objective in an astronomical t,ykqex0 e/9flc-zm1a 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 ref 5r:vhzu g3/giracting telescope. Suppose an opaque screen is placed in front of the lower half of the obj3gz/urh5 i :vgective 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*m1v 0nbrlcl a/md;+v spectrum, in which of the following cases would you be able to best distinguis brvld /v1ammcl n;+0*h 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 ha j*7rsqhu*zam-k 6t)5 z ndc7xs 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 great)tuwkynd 6.2 iv2 l5. ircuqq/est detail when using a microscope run2kc6.ly5wi.idv)u tq/ q 2?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffervej.4mwg p ze k.*/rw) 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 fro9cxr 7 zf8evi;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 refers to the abilitypbrr ddf,zts7 re7bn*4 8wv20 9h 7zf-yvpeg+ 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 dishmohj w-bq: abcq/x; rf 1c9)1x is doubled, what happens to its resolving power assuming that all other factors remain uncham9fcb/xx :qr 1 )q-;1oajhcbw nged? 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 lens (8skfe;mc *.f5 el 9zbx(sydwx1q/kujmz )/d8 in diopters) will allow this pe1 s.cs8uxl j);/*kq (kw9 fdbedez8zxyfm/ 5mrson 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 o/i/e ,sc.og fnbjects more than 70.0 cm away. What power of lens should be prescri.s nof gi,ec//bed 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 weasq1 zn7) z67qubkm+1z) q cjwgrs glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very c7j qgnub11czs)7qz 6+kwz )mq lose 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 farsightednp233 3 utixexcf egwt4q-q7h(ess where the uncorrected near point is 75 7tuw4fg33hiqxp -2t3 e cxeq(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 peq 847eyf tqb*10ay4hxajo+og ipdn*8rson is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is requ40j+nq4qxia7bytgd p1*y oo8 efha * 8ired?

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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 hisrah2r4p 6.d l)2edz dz eyes, if he wears glasses o2lrah 4r) e.dz dzp2d6f
+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 near poinpv;64i428uqyu2*upw jcbdf +yv vy fs i01 q;jt of 25 cm. What is the magnifv6*icjyp; u;+vyfufbwqs vp q 2y12484uj 0diication 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 focal length of 10 cm. A person has a near point of 7ri zy)1f. wzj25 cm. What is the magnification of the lens for that person whfy w.1rz )zj7ien 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 c2 *hap r .b:zo .a4vttywq1e2tm. What is the magnification if the im.rho*4azt p:yq1t vbawe2 2. tage 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 +2zza3wpozo+5 ,t qf(s j0 b5n6lrsw aa magnifying glass. What is the maximum pon5a0qr,(ba zz + +zpwl6oft23w5jo s sssible 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 conve03v, p 0b8klpgbfp vv; o*ehf(rging lens of focal length 5.0 cm as a magnifying glass. What is bpo f k3gbp8f0he;lv*v,0vp( the 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/ dtr0+ybwt 8f of focal lengths 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 the maximum magnification you could d+8r/btfty0w 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 oquwurx5o0 00w+f3 ybhf focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. Iyu+ohb30 wx0rwqf 5 u0f you were to use any two of these lenses 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 focau-bqj:t1 q8,xqs piu8l*)t vml length of 200 cm and its eyepiece has a focal xivlq):8s tt*bupqm u8q- ,1j 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 astronomical telescope with a magnification o.z9.xb i; blgxkax.7kf 10. If the telesco9b . i..xx;g l7kxbzkape has a converging lens of focal length 50 cm, what 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 telescope with a mn-ipdsjqse 4 5dgyqrt 2+,t-( agnification of 10. If the telescope has a converging lens idt(gd-ry 52sp qn-,4eq tjs+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 9qyb:ba1 svaq 7qu7+nc wn:4bof 20 cm, what is the ap:77 y bba9bvq1n wqn+s: c4auqproximate 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 eyepiece ejm4*ro8ed62v0nbe m 2 ; kikyof focal leng o2 2km b6v48ineermk; yjd*e0th 20 mm, 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 1.4 mm and an eyepiece b6o,ocimpupc w kg jr7/z .+40of focal length 20 mm, adjusted for minimum eyestrain. A blkb c./czi +r4,7 ogmpj6uowp 0ood 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 len/ q((b,. knfmxh kv- 42kgqnphgth of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated q h(pk/bxh g(m.q,f4 -nknk2vby 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 ykirf8f: 9t/quz(kd- a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnif8i z:rdfk -kq9(/tyf uication 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 separation oxd p4xe:exmcqt+ivnpe g;/r (m p-0( 8f 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (di-qx x r0m;g+mc8x ve/pi: (p4enp(etdameter) 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 whudng4f a5vgp:*kx 60tich are 0.010 mm apart. If the focal length of the ob5udgg0vafn *6txkp4:jective 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 1.5 mm aa,g;eg hq) e3xs the illumination is increagege3, qhxa;) sed. By what factor does the minimum angle of resolution change?

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  The 2.4-m reflecting Hubble Spapr n2q7r lbx)v:* z(luce Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength n ul2(b*vrxq7plz:) r is 500 nm?

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