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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 exposed in a csqbqjr-l c4t43 k*3 ccy/ kn;5gljoy(amera is determined byy4ll(j-skoc 3ntjc3qkgcby /5;q4r * 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 detmzuz8;kjz3b fq ,2;miermined 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-f-v eq:f4wux(3e xies )ilm distance may be varied by sliding t:w-4ef3uq()x esi vxehe lens forward or backward 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 /qyl 2b3,e)xzqr7iie with a field of view that corresponds approximately7 rq)bile2iqy3xez/ , 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 lik4uz.s xm ot 0vmc)e3f7e a telescope 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 a widergkb)+s5o en g-q)pjw) field of view than that of the eye and through which objects appear smaller is reg) jwqb ) os5p+-neg)kferred 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 cameravq4 r;xv5 yb0n 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 01 mxvnjsj-;dzq1mb3 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 r1 qv22-eax ff 7684isoxofshis

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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 cj6e cx8y fos w5h/zq38an 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 iszd,dsr,osygq0wza1k: f3t (2 too long from front to back, the person is likely to suffer f0k ws:,z2f sr(d, d3y1ot qazgrom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually bz32 j)ckgm8x7 0 igpdne 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 bach:y7g5a b ac+p4iql v4v52xkxk, this gives rise to a vision defectp h 5 x27:5qv+ 4xki4gabvcyla that can 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 is likely to. )y9s ,tfherc suffer fromtf) 9e,rhc.ys

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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 corlprr s;i,f1b9*;,tsk6fvj ex rected 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 is3r/tvy -gzf ;b too short from front to back, this gives rise to a vision defect that can be corrected byzgt v3;y-/frb 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 magn z behbe4mg6zbt8rkk9c+c956ifying 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 objective in an astrp9gl t v5(/ra*ps rx7uonomical telescopt5xrs*aruv gl(/ p79pe 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 telescope. Suppv)jwg x xr:i;)ose an opaque screen is placed in front of txj)): rg;viw xhe 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 uniform sensitivity throughout the visiblemrb gb3o:f6rs 2+rn* z spectrum, in which of the following cases would yog:r+zr f 3b6bsmn2*o ru be able to best 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 magn 7yt h(r-w1ixlk ,gb4gification $m$. 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 ab6ri9 xc4y 8gdrle to see the greatest detail when using a mi9x 64dcg iry8rcroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frk7o 7 -jyer+lfom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer vic:+p2v2qj5 bj4 6kw ot /bnvfrom

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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 micro3)0n-q7b s)mx f(atgs5cc a xs1m y1t6luzea/scope 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 itf:j3ki*7 di+ ,ygcfv ,eifi 0cs resolving power assuming that all other factori3 c7cde 0j,igi+kf if:v*y f,s 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. What8,pduz05nfk vt4o zi;nc--ps lens (in diopters) will allow th kt,8dv4-szo0n5fppni;cu-z is 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. Wh mkoa:v- 6ou96 7-n, o3duxbtsace4lbs5 3jwvat power of lens should be prescribed if the glass is to be worn 1.00 cm in front of atm o: - d-oj463c3wn59v6,vkb sx7e lusboua 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 glaam j-zwkl2qu7s/f ; 2zui8rm (sses whose lenses have power of -0.15 D. What is the person's far point if q7uu rak imw2-28jzs/(flz m; the 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 uncorrected nenl)7pxrkw.7 ;ef5aty u 9 c3uoar point is 75 c;9cp35y n tru. )fx7u7lke woam?

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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 glasseyt;i7, pjjcq.8c03s /ivjzhe c*dv-i s close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens powe*iqec jzv-t/;8p7hiv y c ds j.j3,c0ir 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 eyec+wb2 :qyxd+/ej r m g ,fntb;0qbpf*.:jxi5ws, if he wears gla5:0q +d mcj.b;ex y rwbt:b *qnxif, wjf+2pg/sses 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 focx8 c2omz 7kz7y bn,ot6al length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes atzc 86o,y2mk7xbzo7n re 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 10:9 v8i3sadr wizpw4,x 1nak 5u cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their nearv4 sp15unwx8a,kw ad3ii9z :r 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 lenjybxvs /e/0ol- e vh*(gth of 7.0 cm. What is the magnification if the image is viewed by * -b/s0oyvj (v /ehlexa 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 .um3mgyqx50., 1b f4fvnbwly of focal length 5.0 cm as a magnifying glass. What is the maximum possible b0 5vm, lu.yn3fy mxg4 bqw1f.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 length 5.0 cm as a magnifying glass. fo fctqu5;t; p2i9p kt9y fy mne63607hit 7pn What is the magnification if the person's eye is t k;7iy o u2tfe 0tpqp5iyh; c9p3fnt6n69fm7relaxed?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lense2xnzmye09 es1mx ,x q32dppett1q f- 6s 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 maxdt2 xe 61t1p9pnf3e -qz e2mx ,x0msqyimum 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 cm, and 16 cm. +v;w2;itahlpz 4pg)t2 a k,i yIf you weaygl+w,hvpt; 24; zaiip 2kt)re 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 ,kej7 gr;qcf 6has a focal length of 200 cm and its eyepiece has a focal lengrcj6eqg ,f; 7kth 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 telescopgxcv8 zzynx 7jn015)pd47avw e with a magnification of 10. If the telescope has a converging z0v7d g5jwx1)4 v7c8nypnxaz 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 astronomimsp pd7*az 92v 4ocv0g-t;mo ecal telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of 4*m2stpcg0oamov9 -;d zve7p 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 telesco ub+ s ffj.a1ai91a3hs tpd5c,pe is limited to a length of 20 cm, what is the approximate focal length of the oha39,.saf5acbjt+ ui 1s fd1p bjective?

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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 fv)k9l+ nsoi)jt* vb yg,:st+zoqp ;* of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm fr+)nvvlqp * ,9 :bgs+i*ok oyf)s;tztjom 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 leng l2(ca l2dg0 i2)s z1;xpdiipcth 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 objective. What is the overall magnificatioccxi2gsplz a pid (lid2)2 ;10n?

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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 objectil(7e :quum+ aqve with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the to7auq(: q+em lutal 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 o-q/djj x mp.d03taio)4u 6ebibjective with a focal length of 8.0 mm. What is.6qpu-i4 j)m/ 0xajie dodt3b 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 thd 6jjdqd :1q m7e(mmijcxxpiv9v5*6 5e constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the9 6jd pq 5:i6d1xjxd(e5qcmm7vij vm* 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 microscopu as+ly6b pn4,e is designed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is 4la6uspn y+b ,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 / leuo7vjea4el;v: 527krny f.dkjz93.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resej eaedk2:k7lr.no z7yf94v;ul 5v j/olution 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 Sp-q62tazotd 0m)wmzr ,d q(s-vace Telescope has been placed into Earth orbit by the space shutt2(vqdza0o6 mwr -tqm- dts,)zle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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