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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 k1qw/ g v7b c2;ay0mzkis exposed in a camera is determined by ta0cygm qbw;v7 z 21kk/he

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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 iq 3xixnwpy* wis2-44 (m4tqks s 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 refle:pm)hx.bw o;oa/ lddxdfhh 0 0w+ m5j7x camera 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 obtained, dh wf mwb5xap/xd +mhohdl. 0) ;:70jothis 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 v* 9ts7 efi 9mb+f,rceliew that corresponds approximately to that of normal visiftem7i9,lsc*b e+ 9f ron 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 bzzj)qz zh 19 ekbwg.dm(/3q; 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 than that of th*ol ;ru 0kbonln09.g ab,oc ),ln bzz.e eye al 0uoc*g0.)lbrkbl obo ,n.a;zz 9,nnnd through which objects appear 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 camera different from th74py ha31o f/bz4wyxx e 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 occ/r)5u,qzdh 4ob lt f 42glsv:iurs 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 obbhm-ikq-mdk ;j7 t-o1 jects 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.u r9 ocfc8. ubn.rod; 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 eyebals3m3d uq,3gh tl is too long from front to back, the person is likely to suffer fromgs333 h,tmduq

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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 corr8-cdc;e w7jh3x6v el9z4rp pqected 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 back, this gives ri,s w57 l(ofl u64ktd 4ivf/dydse to a vision defect that can be correctedyvd 44l luf5fd w/6sk,od ti(7 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 bac;wgqh+jdz g x s09+0cik, the person is likely to suf9x+g hi0gcw+s0j qd ;zfer 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 wy ;,z4*euyl*s3 f dmgwith

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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 to a ht0a5*q ix(hi 5culj+ vision defe +l i xch55(qjhu0t*aict that can 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 ght1r-idn(hc lg)-, s msvhh nj-7rn; 4lass?

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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 astronomical gqtz-n7c q,z7zn7g7t-cqq z, telescope 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 teles/z mfvnc4;y dsv8,yjd6 . b57asx 2 9ephr(xfycope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect wil5jd/;.7hy9rbfmesvpx xvcya 4 yf nd(28s 6z,l 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 sqivh-0y75uc7s1qz o*d y/r guniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lendzu*/7 q -hqg7 cys0osy1 ri5vs 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 telescopet8,ee8vh o8ov3 uy7lx ehna.: 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 a+iatc1) nl:ci7/aw 3fu tl/ wcble to see the greatest detail when u+u:cw1/ict7l t)a 3canw li/fsing 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 fmos;2be)fz r +z0c.uurom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffew+.ukv --i 7 unvdopgd v;t3nh0h0(axr from

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power am .:lb9625trzps p lgof a microscope 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 radluag8yy d kfhz164x)sq1r * 8var dish is doubled, what happens to its resolving power assuming that all ot 18y qxdyflg4h *zukr618as)vher 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 18r0 7 mkve2jfa9 cm. What lens (in diopters) will allow this person to see 7fvamek92 rj0 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 lensbte;zj w*,( ./qluhg l should be prescribed if the glass is to be wornwe qtzb*u ;(lg/jlh,. 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 wh/hmk* jcpy4mrgy *;-n ose lenses have power of -0.15 D. What is the person's far point if t yp*g 4chn/r j*-ymk;mhe 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 uncorreg5ajtm.763 jq dj z nc(d)8drjcted near pointjg 6drzq jcd7d.58j( j3mna)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 farsighted person is 100 cm. Sheip9c8r6o9uuvpan1cq1w m* f 0 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 requppu 8m 0wqufa *o1inr 6v199ccired?

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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 a3gqd3i : fwelox7cv o8o u+g81 newspaper held 25 cm from his eyes, if he wears gla8 xeq 8oli3cogo7ud3+wv:f1 gsses 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 len 0n/gg-f7du0xbd:ailx e -)vl gth of 10 cm. A person has a near point of 25 cm. What is the magnificatio7eag)b0 d-d:ui0llnxf/ vg x- n 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 o u 5)x480p4a/p dvtf;jh cjdvcm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused vd/uofp jd;8 xt v4p4c5j)h 0aat 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 :z2ni.dc xma/ cm. What is the magnification if the image is viewe a/x2zi mcn.:dd 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 magnifyiij 0 ;zcy3:gvdvaqa70m :z(-wlbhk1i ng glass. Wk3hqagyz0:1(-0mw cz 7 :;d i vailbjvhat 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 fpl6wteize/ m eeauzi,,ikjx.g- 93/ :ocal length 5.0 cm as a magnifying glass. What is the -ee.,pz ,t36mjz ii/lkaie we :x9gu/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 of foc em06/lknj4ur al lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If yu n06lkje m4r/ou were to use any two of 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 ofln7t0sur3 7ho107bij: ea+gfltd ad) 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 telescoagu en7l37r d:+00d7 a1sjih olft)btpe, 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 telesc+3udktf. 04: ahd coajope has a focal length of 200 cm and its eyepiece has a focahd4jd3 k f a0tcu.a:+ol 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 telesc5nz w3prlc fq)*a fb)3ope with a magnification of 10. If the telescope has a converging lens of focal length 50b)*3p 5 flw rzcnf)3qa 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 teles7-omj8+moo lj cope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting len7oojlm +8 -jomgth 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 tel 8af48 6d(drog s)rz0q et,xxdescope. If the telescope is limited to a length of 20 cm, what is the approxis4 0x, 8e6grz8dtdoq) darf x(mate 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 a 41dgusyya:0g1 )gsoind an eyepiece of focal length 20 mm, adjusted for minimum)11uy i ygg ag0d:oss4 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 obj;ow / )i5oaggjective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjgi o5a;gjwo)/ usted for minimum 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 3.06u;:7f f j;pocquh2(vnwphy 10 mm and an eyepiece of focal length 6.00 cm. If the two lensfwc u:jq1n2p(p76uo yh; fvh; es 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 objectijhe6ja/ m6 l+ppvx .:d2q/j pcu.rq k+ve with a focal length of 8.0 mm. What a j6 /q26/.lj+rqm.pj+edh kcuppxv: 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 Orion has an angular separation (i8i zw yby-4vof 10-5 rad. If the wavelength of the light from the system is 50y8v (y -4bziwi0 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 0.012 )tlz v)8;uq,bgmzwk(dl, ph0 mm apart. If the focal length of the objective 8h,w)v,uq)dtmz k ( p z;2bllgis 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 perso9bm obdyg 7657t8hvu kn's eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the mdkvhom5 7b8ub7y 6g9t inimum 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 d9)im.. az crzplaced into Earth orbit by the space shuttle. What angular resolution could this telescope aczria9 ) ..dczmhieve if the wavelength is 500 nm?

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