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习题练习:Physics Unit25: Optical Instruments

 作者: physics 发布日期: 2023-05-01 10:00   总分: 51分  得分: _____________

答题人: 游客未登录  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 e0.wsztq, ( ocopen and the film is exposed in a camera is determinedc(w qt,soz.e0 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.k9a74aq1ko sh3j/)afab uar 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 kbst,yn4ccb8: yd5 /(avvm*b 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, 8*b 4: 5nbv/yasmt,bvy dcc k(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+ sr,u,t8d: itmkdnx- the film with a field of view that corresponds approximately to that of normal vision is referred,tisdn, 8turx+:k d-m 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 gs4 ox +t1:mpsa 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 wide)40so( o naj1ed2eo lor field of view than that of the eye and through which objects appear smaller is referred to a2o1soj d(l )o04 eoneas 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 z-if jltau5eshv(w7uhcb *9 ey; k-2,is 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 of2g2tt .qq-zs. ndog9cfv,pb/ light by 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 gcq3rdyt/ :wvr48aq-d pws3/ which 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 secpu6diq2:5 7 n wveme7e 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 is too long fromf3;.mlth :j z+c6 y-,sxsm/yz9 bavf d front to back, the person is likely to suffer t;c .hxylsj/ d6m9f+,zy:sva- bzm3 ffrom

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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 correcteq j 26i nqg;axb, ;2/ybri hloj,t;0yyd 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 to a v6ujrd5ix b((f awnc+wo d -.g-ision defect that can be correixun -cjrd(.5o da+ - wgb(w6fcted 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 tm / ukg2b3 c5z,hhuj+back, the person is likely to suffer f/ m ch3 2buhtzku+jg,5rom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually rda7yf o6-f l;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 frymny84c z1) kzont to back, this gives rise to a vision defect that can 48kz1cy) yznmbe 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 glassi 4tc p fqpfk5uwkm;h:p28fd55q t7;e?

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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 objectsxga 3, uv:7 5qcq+f65nluklrive in an astronomical +65rus fcl7l5qkg ax: vn3q ,utelescope 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 refractinxft axni 9i,42g telescope. Suppose an opaque screen is placed in frontnxi a9 ,ixt2f4 of the 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 uniforq.w5p/m o;y * ahr.v 1/wz4q)m nynpq*m,zzhsm sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to .,z4m;qn1yazv/ zrhs *nwpm*5 . /qh)qw mypois 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 magnifim u0sjh q,i4za4u8qyt-a0r* scation $m$. 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 grea7)6q *ww xp wnahs5jg2test detail when*)wgwanpq5w2hs j7 6x using 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 fa)mp,0 (at zsirom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fr142m a zvqwgo7 n+*(xoc/zcj som

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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 microscope refers to th 7o3q rpj7zxv0f( gzgp /yvy;)e 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, w 9bej+roop3 2mhat happens to its resolving power assuminer b9poom2 3j+g 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. What l2 /ln6aym9 g5wan m6-p/orfjeens (in diopters) will allow this pew6rn6 2/emmg5o/9fn a pa-y ljrson 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 f9ua+ce bx) r9xkqy zkxe9 i2a0yr694more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn96 )x0zia9e cax992kb 4 uyrxyqk+fer 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 whose lenses hgp/6 stgx 4q;dave power of -0.15 D. What is the person's q dx4g /;6pgtsfar point 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 correct nre;g +378cywdbs c+h for farsightedness where the uncorrected near pog8nhe7cdsb ; c3y+r+wint 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 ismh/ c5pxhh j,;mx qx59uky y0/ 100 cm. She 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 xhq p;c9u khxxh ,ymy/ j5/5m0is 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, if he weaipbuyo( 6u 25heq( v,f .gf3 zoz57umors glasses of ozm,73pby5 o6z 2vu. ge5qhuuo((iff
+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 ar2wl9y;pf jb41t hqv8 near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at in4b1h9lwpr t2 y fq8j;vfinity?

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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 has a ne)+kq y3pox/ec1tp d ta,n, ff io3mq8*ar point of 25 cm. What is the mag/atof,xn ,q md3ky13q8t +pf o ic*pe)nification 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 cm.a.b 0)p .fbfcsey7v 8:k(yt ln What is the magnification if the image0.abfv(ekl7 )cn :s yt .pb8fy is 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; k4v 1b8x, powaz3qtx length 5.0 cm as a magnifying glass. What is the maximum z ;83x4bwavx1 oqpt ,kpossible 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 convergap1dz i9z q5uby1*9x ting lens of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is r*x9 za5q9 ytp bud1z1ielaxed?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lensdz)p putkp w5u6c;hi73)a+ r xes 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 maximum magnification you could achi acpu+;z)pr6 tkp)3u75wxdi heve?

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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 l3k/(kt1ivh ds zzsa5+gi/(9j5swq maengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use an/ms q(1j 5ivt(kziwk/ 9+ hs5g saa3zdy 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 teles;t-g6 hj ljl8kcope has a focal length of 200 cm and its eyepiece has a focal le g;klh6j -tlj8ngth 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( gyr0p9a5 rnb an astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal lenaprbr g0 (5y9ngth 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 of 10. Ipu24fwuk w)4g;f9my)glpvx 7 f the telescope has a converging lens of focal length 50 cm, what is the resulting length of tyxvg4)w7mppwfg)u 92 l uf;4k he 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 teles3xxy)yu g0dt0cope. If the telescope is limited to a length of 20 cm, what is the approximate focal length o0x3)x0ygy dtuf 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 osud;8v d:,6d bp/,k-ghyaza y(dc 1inf focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is plia8d gc-y b/d: v6z;hn p(,uydd,kas1aced 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 1.4 mm and atjbz a+. -sudlt8;.y dn 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 magnificat; .-alzdbt +ytuj8 d.sion?

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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 object,ddx, (3btzp1m*bw 4fg9pxebive with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If thft4x1bp(b, demgd *p9 bzwx ,3e 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 wi8 qhr1o;.3mswu0bjy qth a focal length of 8.0 mm. What is the focal length of the u. 0 shj1y8q b3oqw;rmeyepiece 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 angulavvd a( 41ozgj.r separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telesc( vjavg41o .zdope 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 -mzn9 ka/, mnq0.010 mm apart. If the focal length of then -,ak9zq mn/m objective 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 diameter of 3.5 mm 6vx xx+b j*9hwto 1.5 mm as the illumination is increased. By what factor doesvwb xjh9 x*x6+ the minimum 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 placed/nri+g.b kv2)tmw d* mhec .(e into Earth orbit by the space shuttl .k)e bemhg.2d +i/rv(nm* ctwe. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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