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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 fi qa,k*tg 9h2jyxi 2rg4q 45qy/lj/clj lm is exposed in a camera is de /2c 4jy4ya5rh29qglq/gj klit,x*qjtermined 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 determined byv o1s(x2i w*wj 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 varied by slil*y9/:i+0 j qkj2-ad.scme e/g icntbding the lens forw:d+jcii- 9l ba *cns.//y tkeg0qm ej2ard 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 with a field of view tha6go0gdf f; zix3g( j w, rqis(9jlsh d)2;v7imt corresponds approxima9f;mji ()gg0g2;ox rs,vddw s lh6j 3z(q ifi7tely 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 is f.7ktcam,b(u 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 wit5ole2 / sgl vm95, f7svyb0tdwh a wider field of view than that of the eye and through which objects ap 2o79w vlms, glty5/0sfbedv5pear 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 frov0+p se obm (:.zyvjs*m 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 occurs.j)zec)4w cn+0g3cucqaoh a 7 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 seu6 zcw*w n+v6ae 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 objects clearly iste(qi vs p-+ i;efikmfcf )40(

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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 bsju03:wvwsrz* x5 4jmack, the person is likely to suffer fromj 4*sw 3vw:jumz5r sx0

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usual 7x;:4swbfb ungo,f l4ly 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 too long from front to back, this gives rise toi8hkc*:bw;g-zzh.0r +s40z ,ndwjoj j k cc c1 a vision defect that cai jgso1 0crwkcch+n0; w.jz -jc4:8,bzdhz*kn 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 bacl a u)o 3ng.l(psc63ldn:lh/ uk, the person is likely to suff3( )u ld :gshaulnn cl6.pol/3er from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can u*i g x4 jdmqc7c- l dbcd1n;)tg4c-my:sually be 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 is too short from front to back, this gives rapi s+ mfq/h7 seyx+:0ise to a vision defey xa7m+e0f:s+hps / iqct 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 magnifyingxq6 :xo 8nrptirs8 rbc5;3x h4 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 w,5cqf qb8 (uzobjective in an astronomical teles5q,cquf(w 8bzcope 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. Suppose an opaque *ua9rfy(-wpv a7g 6p5usz9 u1g) sbqdscreen is placed in front of the lower half of the objectivezyu 6vsg * 5s7)q9a9 wdau (upfgr1bp- 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 visiblg )t:2 / gjbn ojr+:(w)fefcmne spectrum, in which ofm+cg :( wrn:gj /n) 2ebf)fotj 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 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 +c;)02 (t,vn wkwl-wuddo fs/k 9zannfj2.za$m$. 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 mzmsug( qu .:wb6;;ct32qpk x greatest detail when using a microscoppt:su;;zcq 3 b.k x (qguw2m6me?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer y(s8cay, 2fnr tg 8 riv5n,;ypfrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suia/un r3 buk1+ j giyeh9)j1u7ffer 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 of a microscopea4: zp j1z(ozg 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 doub:xhk p2 x.9 998jdcaglywi od*led, what happens to its resolving power assuming that all ot*iyxd9dxlgk9j.9w2p:oa 8 c hher 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 fariayo8ifg :8mytvd94 / k+x7ar point of 18 cm. What lens (in diopters) will allow this f y:84 7iai+d98x/ m ktvroaygperson 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 of lens 7i1a;0n fz n 1w krknam/z,zi1should be prescribed if the glass is to be worn 1.00 cm in front of 7;1kz wn10n1zz ifmr,aaikn/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 whose lenses have power of -0.1yz7 g jjy+ s(llze (p/,rno ap .kq.k:b-32mgv5 D. What is the person's far point ia( /jms.pq+g r 32lz (gkke,.7: p-ybjz voynlf 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 farsid8ven/ikd5 zpt5h5- ightedness where the uncorrected near point i8ez55ndk5/ tid- p vihs 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 pz;s34ksje9oxy9kd3 r j6m / fcm. She places reading glasses close to her eyes, and with them she can comfortak 4/93oj z9yfsxj 3rd6; pksembly 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 his eyes,:m7p bhu+x r,n if he wears glasspu7 bxmh +r:,nes 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 length of 1m*ekij49s 4km0 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when m44kk9 emisj*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 lengthfoey1z0 +n 0xm 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 are focused at theiro+ xez1 yfn00m 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 z1*bso4l81 dwvy3j9slu et rv+h l a(s:, )whlfocal length of 7.0 cm. What is the magnification if the image is viewed by a rela+*3 l8hlw1 ev,tls1oz w)9rs(b: duv ha4yj slxed 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 convey,gl-a( 0mlmi 8i btv v6-4bcdrging lens of focal length 5.0 cm as a magnifying glass. What is the maximum possible magnificatg(d ,ctm 4im b ill-v0bvy86a-ion?

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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 3v ptktns+v8 0dnb2y 7lens of focal length 5.0 cm as a magnifying glass. Wp kntb23n8v+dt v0 sy7hat is 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 focalplywz tvt99qel-*2 +x 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 magn9 t- yvp9ltz2+elx*wqification 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 l2z(8 yhu/fv 2wtakwj .enses 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 a telescope, what is the lens separation for the maximua(k8/f wj2 wu.h2tyvz m 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 ocstb+pl8vedn+ iw;3qwq l;:-f 200 cm and its eyepiece has a focaqll: +;cvb8+s-np3; td wqiwel 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 magnific9j.q etvlt9h3bmfhfs9l +)0s ation of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal len9j99f3f +lth)e0lm .hsb qv stgth 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 magni e)8)myc7/u 2i ci/3eopvxu; m2frg kffication of 10. If the telescope has a converging lens of focal length 50 cm, whpmcu eiex mcf /rogi3/u)2f8vy) k;27at 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,0 zu6*p yj73hnl duaj is limited to a length of 20 cm, what is the approx7 djyu36n0j*p,lzua h imate 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 e*:-o afe+pvx)i9 ey* 4kavwjand an eyepiece of focal lengthjx+y4 wv oe9-pai)*efvake *: 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 1.4uqool) nd7:8u/p cr-md bd4;/ze xul. mm and an eyepiece of foc one. duq:z );rco8ub7m x/d 4lpdlu/-al length 20 mm, adjusted 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 fv :hy, +spi.wpup)5c 9sos7fuocal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separats)w7pp o+uf,h.5 uvpss:9 yi ced 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 has5zkzra5n*s ze2 a1 vzx1xyf *5 a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece toxz* *z 1rf 2vay55ezsxzka1n5 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 consvspbl/(syc5+qz- a-y 1wvej8tellation 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 the tw vq/+zbsy5ca-pw-vjey s18 (l o 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 mmkjs j4g(/ g -kr)zh*nm5ic-zn apart. If the focal length of the objectims-( gcg)jn -h 4knrzki5j/z* ve 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 )ky 1d8*w8cfgdm: gl xdiameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution chgy8w1xdk8)g*cdml :fange?

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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 pla5zal16(uvk b(. xto;a 6r t ./ppcjcpdced into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wa 16rkoa5.vzdttlu pbccp;6j ((p./xavelength is 500 nm?

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