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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 expos 4ooe4u*le)(s umayq .c,0pjced in a camera is determined by thep u)cecq*,u4 o(0 so.jm4y ael

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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 tpp-x,bj:/stua ym oa8w sl 95(he film in a camera 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 camera the lens-film distance m s1i opin9pmk bis27)3ay be varied by sliding the lens forward or backward with respect to the camera housing. If, with such pkio bsis37921 mip)na 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 vinlpxxq,n;a6 3ew that corresponds approximately to that of normal vi, xn6aq npl3x;sion 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 imzi6,p p )gtgk:ages 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 wit nm+borh(ed1n*mc97i bi6) es h a wider field of view than that of the eye and through which objects appear smad e9m 6 +* hi1son)rbicnbm7e(ller 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 the human e28a ink4jsxyp8uz6:5lb4hf4raw k a; ye?

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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 byc+byvru ll64. 4vgb :j the eye 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 whi8jj: jle y)t/ach an 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 objects cl8dlsf1+,p(-g w cxdc ux*mmk-early 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 fuy72gi: aqzhl806ju)/gkin tront to back, the person is likely to suffer fn g qy7)8tii/g: u0uzk 2hal6jrom

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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 wiamfi w60egeve9bw oa(3 z, x-9c-;ltuth

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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, thistsggc12g+l 3aai, nirjx68v ur-n o +5 gives rise to a vision defect that can be correc-j1 nr+ nv+5lo8sxg iug,2rcg6a a3itted 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 dtf- .7a1ad2f c0 ojcxcs6v )llikely to suffer ft 2 xcav) af7ds.olcc01dj-6from

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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 correqdeja, ;1ar y::s l3pected 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 ris*e * ns h.dfnh3v+2otfe to a vision defect that can be d+sn*ten3f o.*v2fhhcorrected 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 glassk y1a.b7nux(im0 y 7 vk(dqk7w?

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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 anwx t wq f174b4tb4o2mh2e4nbecwx4 w , astronomical telescopt xq x,f4w obm 24we4hte bw4b71wnc24e 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 telesxpo7ir* k7m k(cope. Suppose an opaque screen is placed in front of the lower half of the objek(xi77p*k mroctive 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 visx2u6r pfperr9:r g l/;ible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objective lens of thp x2ru 6gfrl:9r;r/ pee 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 magnificati55se9)fjp3 *boe1p jcprsk8ion $m$. 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 wouh) 1dl3osx*vqld you expect to be able to see the greatest detail when using qsx3dov) *lh1 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 from v9 3n-:xcgsruw4w:wo

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf, s0kz ;q,xr 1xqwmfyveb/w*ou))n9d fer 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 mc+jcr cu:ljv:hw(udl a)53 p- icroscope 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 happeg1t/0ounx.ch4 5 arqhns to its resolving power assu4r0u1/chnx.haot5q gming that all other 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 18 cm. Wa;ks m7;nq17q24,uag8grl 4k jwfudm hat lens (in diopters) will allow this pe 2j n8s f4ragdkmlq7;w,uk4 ugam71;qrson 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 leo6rx egq9ea-7 ns should be prescribed if t e6ero-q a7g9xhe 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 wears glassen+u4a f kd;jyq u m:c-sz+ic19s whose lenses have power of -0.15 D. What is the person's far point z;4ji sd a91+nqcmuu -cyfk:+if 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 w5:to;:qz+-ve bze btcorrect for farsightedness where the uncorrected near point ise+w; z 5ebb:zt- qt:vo 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. She places readinfg; 7jmqta4 s/ l wgl/(ikw54ag glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cml/aj;m t/kl 7siga 5( q44fwwg. 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 hiskx; pbzio9u4; eyes, if he wears glasses ob i;zu xo4;kp9f
+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 point ox9n*grt,3bkp)dhb m/ v o)w y6f 25 cm. What is the maghdmgt *kx/ro6) 9yw)vnpb ,3bnification 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 ofv9kuq6:crhd4n 0y/ss,xr- g h 10 cm. A person has a near point of 25 c0c9: uhhsd4x/ vrkq 6n, gs-rym. What is the magnification of the lens for that person when 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 ,p(xwz*:egtrdp. *st kn5 h3scm. What is the magnification if the image is*d5trw .g,ep(*tn h szkp:xs 3 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 a magn4m.tn jb yek0v5(k+ llifying glass. What is the maximum possible magnificatioym+ k jl5vetl4.0bk(nn?

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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 lengttjf-mjkj)1a;w ba881r;mvdk h 5.0 cm as a magnifying glass. What is the magnification i1j1 m)wjf 8a-j bt;rkakvm8d ;f 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, 4.0 cm, 8.0 cm, and 16.0j8l3onl0/aux ;gyb 4lib9 :yo cm. If y;li48xno3g b lo/0by9j:ul ya 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 of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and dv:v s)h)/ pog16 cm. If you were to use any two of these ld vho :gp/v))senses 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 telescopeay, 5alzd.j 0m has a focal length of 200 cm and its eyepiece has a fojam ,lz0yd.5a cal 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 telesc90gx0l8 dxuxe ope with a magnification of 10. If the telescope has a convergingx0x89uxld0g e 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 magnification ofby +w./ab fen. wvei6-r(d7p o 10. If the telescoa+- (don7r b6w ybvepw..ief/pe has a converging lens 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*ca f *un5czm4 length of 2*4cm aucn5 *zf0 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 objective lens of focal length 1.4 mm and an eyepiece of focr .jlba-h(m z0al length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objectial(.-m rbz 0hjve. 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 focmmi* 01,7gyr; a1lhvw iin.j ral 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 jm ahv.;wlii1* r1iy0,nm7rg 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 aku 8-mg:4qg qu zcm89on objective 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 total magnification?g-98kugz: q84m uqcom

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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-cmh. ;txtyh z7h5- 6 pwd:jsrla+/wz)c r barrel and an objective with a focal length of 8.0 mm. What is the focal le ;h5thcd )l/h+w7 ap6 wjrsz. :txy-zrngth 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 constellwcm w-n d v.od:;k1:mij-k+yration Orion has an angular separation of 10-5 rad. If the wavelength 1 dy.km:cvrw-wj + -imo:;ndkof the light from the system is 500 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 desig d)dis08k dediw 7),1t dj6oqined to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavi q djii e6dt7ds )d8o0,dw)k1elength 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 ez (0r/qmefq)vq 5(qozye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolutq/ ef5q(q (0 mqz)rvozion 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 placed into Earth orbit bzz*s*s/my-b o;f;i xmy the space shuttle. What angular resolution could this telescope achi *x;;/sz fbmz-ymi*soeve if the wavelength is 500 nm?

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