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习题练习:Physics Unit25: Optical Instruments



 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 exposed in a camera is dqm9zdy(m f b-.eterminedzydbfmq( .-m9 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 camera is deteuxv lw4v;bf8+rmined 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 reflexg9tu 6q) dz5hvsji 8v27plfg6 camera the lens-film distance may be varied by sliding the lens forward or backwa ulpdvjzvt5 6fh782q)9ggi s6rd with respect to the camera housing. If, with such a camera, a fuzzy 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 field of view that corresponds approxwmz3) 8y3*: fvpu0rouy9hxgmimately to that of normalz8ry m 3)m:0u3yhfxug o *wv9p 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 is refki+jemm jqvs-bw-7.rx: t 79 qerred 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 eumwx6),2 yij the eye and through which objects apw,2 jxye )6iumpear 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 5go+, dgkh0lhis 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 refraction of light by the eye ocm258fzd/obuyv7 .tv t curs 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 a 842:v:vow3wxms q:f uzrgim7n 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 at which an eye can see objectfrfab7uis z ,;3*+ah vs 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 pxvy0cyty+g -2f15n(d, l:weemg c*hkely to suevycpdgteyhmy 15( l,+c2n:w* gf0x-ffer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usualkjy2ufe( i7c6ml. +dnly be 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 3ghv-o c.cj*u +hfdb1too long from front to back, this gives rise to a vision defect that can b+h. gc3hjbv do *f1-cue 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 l)2z ks0xa, aytoo short from front to back, the person is likely to su ,zl0xy 2s)aakffer 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 correc ooocx5f) :zl( wc 4bm+lyn0z8i eu1u)ted 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 gives ril54m -fwh3hlv o -tuabc3w5/kse to a vision defec4ouht-l/3k-bcavw l h3w mf55t 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 magnifw; anqtm6e/b11-uoshmq s b 45ying 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 ve.ny uf19+a hahry large diameter objective in an astronomical telescope i1a9hyu n h.f+as

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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.ucu/n5or1;4 lgku fk9 Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will this h1uu 4ku5/ gfk;nc9r olave?

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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 uniford0f d) 7k4wa n08gzvo(qz ,afi;4 sprkm sensitivity throughout the visible spectrum, in which of the following cases would you be able to f )d ;7 n(g4z ir0 qkad8pz,ofas0w4vkbest distinguish 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 has a magnification sz/nd/f3aq3r b (s r3w$m$. 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 expec1iliam9ult :ttksg-ze4h39m(de nvc 2h y:5.t to be able to see the greatest detail when using a micro k1zehvtam (:i4m tedyts9 lunl2i:93-h.c g 5scope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer m+jsk9:oyq i ;w khpx7n7r;2f 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 from(y2 , u7owvoqy

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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 micrjc;b3j1f zw 0d(8. sls6z4g 3khm ucsvoscope 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 hd5m.j-wna-i e;qh7 gy5q,t bits resolving power assuming that all other factors remain unchanged? Its resolving powerj-h w.;bgq5, en m 7dy-5tahqi

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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 18e/xw 8p7qm7ak cm. What lens (in diopters) will allow this person to see distant objects clearlx8 wem7 /pk7qay?

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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 powet ngcc cw4,q2mvs)w8da4.da (r of lens should be prescribed if the glass is to be worn 1.00 cm in front of .2(4w da)c cn,asmc gtw 8qdv4the 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 glj7qlk)rt 7d 8kasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to the kq7)8lr tk7 djeyes?

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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 farsightednez* 7h dcf8vq6jss where the uncorrected near point is 75fdc6 8vjz*7hq 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 glasn( bj9:dhycrh6v w8 u;ses close to her eyes, and with them s;vn du h:86(9bhycr wjhe can comfortably 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 hhsf6 q8len+o 7vvciod1 28mtnl h25y.is eyes, if he wears glasses of2f 2h +odoie7ynm6vns8v.ll 8h1t 5qc
+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 poin4f f6y uoefv+7t of 25 cm. What is the magnification of the lens for thf+ f74ofveuy 6at 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 h cul 6 *0,4.zxihqlwr3ibg c/was a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their nezcwuw .l i0*l/46rcb,gqh3 ixar 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 lengtyzy,(y6vmsi*j i1z2mp2 (a9b yin: hnbv0at: h of 7.0 cm. What is the magnification if the image is viewed by a relaxedv,1am2njhiz(:nib 02iv *6 zt9(yysybm a yp: 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 of6-c6px:iboy b(bh.opeo,m 1 rdsy /l6 focal length 5.0 cm as a magnifying glass. What is the maximum possible magnifd oxo16c/ s ,ryi.plh y:obbpb(em6 -6ication?

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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 magnb(de38u8flxh; jsqzno jr) 5j; aa: w5ifying glass. What is r3x;j8un f:55dojw ej8lqb) ;za(has 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 of focal lengths 2.0 cm,nnjuks3l , *6t jx:v0b 4.0 cm, 8.0 cm, and 16.0 cm. If you were tovk6tj0, lnnj :xsb3*u 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 l17 eoj9sh;wt genses of 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 eg 9t7w;j1so ha 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 lengtho -h.,vu,*k tlljr c wn49fqmwl/1t1v of 200 cm and its eyepiece has a f . hul4fvl r1/lw1 *9t-vn, km,cqjtwoocal 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 e)-t-p lawqes,ulo+9 -4day6y xq:c vastronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length t:- x)ae sq9dywuce6ap4yo--+l ,qvl 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 astr (*yoawegk jj0 c ;-mf6pdg+emtk*1p*onomical telescope with a magnification of 10. If the telescope has a converging lens of fo cjag;w1gp*p *0*et6k( mod+mjf -ye kcal 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 tleg+8xul jwptgd*,/ )o a length ol8u+,t/ wejgx*gdp l) f 20 cm, what 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 oe+s7)v nc)vv f4iio 494zo0z7b tm ; mi4erfdobjective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is;vt+vszo)9vzin04d 7ofio m ecb 4f 4eir m74) 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 focjva6mj(e +ntw /6-nc oal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the etjm on(/wcj 6+n-v6a 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 a9 wf l: wjemu0,u+euu*n eyepiece of focal lee+e*w: uuu j0fw,ulm9ngth 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 lel13 wm6+(xag *jjzmp lngth of 8.0 mm. What is the focal length of the e13lj+malwg 6(pm xz*jyepiece 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 thee(bvqlep44eg zs y6; lf6i.; w constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolve tb6 le(pf4 v.z;seyiweg;q 4l6he 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 0.0106 tk.;pot :ohy mm apart. If the focal length of the objective is 4.0 cm and the wavelen kh pyt.:to;6ogth 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 avk jc w2u6xvh5*imfg3bl1.s 4 diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum uhwf5.jsvbkcm4lgx3v 21i* 6 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 p/ uwhw.;:4u dhgid5zoxzm.q, laced into Earth orbit by the space shuttle. What angular resolution could thisgd,5ohqwx /h 4z.z. ;:iduuwm telescope achieve if the wavelength is 500 nm?

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