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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 exposednx,1zhnf c :(wvnd9 )r*htw b) in a camera is determine nhc :n*,)nxwvbr t)hd(9zf1 wd 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 isjbp8:aq3c i o0x 0:cox 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 cam z- s o53 ./uu4ai(l2qii7 ncozdg1isqcvd,9nera the lens-film distance may be varied by sliding the lens forward or backward with ru2/ iun( 9sqdai4oc cg,vzzn siiqo.l d53-17espect 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 cwnkrg (7: ymw6 uk9cra+nc/3wovers the film with a field of view that corresponds approximately to that of normal vision3a6n+ymncg9c7uk /k wr :(wrw 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 tele-4whpa u44:r:fizvkz7 j9ac;0 qkgvi scope 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 wider field(i li(k ws.g *fpjgn* r( :pz*1wd*fbf of view than that of the eye and through which objects a. ff*ji :ggzp*swb pdi*f(1lw(kr n(*ppear 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 from the 0(5m stvw/jw uqlk7k1 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 eyezq8 ) :xp5boacb )g)vl 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 cl(twblh;f 3 zd/ :j4dwan 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 egw8jqlbil9f/ d)nlum;. my44ye can 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 is too long from front to back, the person is ba+gyg +ot;svotc (t i2zph:n- 8)1tslikely to suffer tss :i8p +(othy2go +vzt gc;t)nb-1afrom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually -.(ndrf ;ws ak 8(v pp1c2n t1kycvft2be 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 ris kpsd5ok)8dg( e to a vision defect t8 og 5ddk)k(sphat 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 fronty gu0q(l).vwa+:hqhkrjb5 )n to back, the person is likely to suffe)l:y0+aq(. ug kwnh)qjrhv 5br 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 corre v0a3 w; tzkf5l)lidv)+po .uncted 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 tos)+u d1v7xmle o short from front to back, this gives rise to a vision defect th)+d e1uvlsx 7mat 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 magnifyi3slqoup lk b0rda8 +be1dh,(;ng 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 veryr,v* mfto9q wl bm07/36jk kv 8xsv4zm large diameter objective in an astronomical telescope is v 8 v7ol*4jt3bfkmz,qsw6 m xv9/0mkr

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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 pcj,x m cv81y ls/3 divyi6p b,9a4(jiby a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will this havm x 34,aypjpyc,di/slb91 jiivcv(68e?

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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 unif49rpd4ge 1j,4dqoc+ xmo55ffmz1xx dorm sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The l1pe cmd zxg m4o+xx55f f,41 djr9d4qoens 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 ha6t rg9o0/h uiis a magnification $m$. 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 -nj , qztjb*5 : m9e+vyq6tgvkk;lmu. the greatest detail when m -qyen+t,kvv j jgt9;qkm lu:.z56*b 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*48hkye pz2aazw y psyn/*m5 * 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 fros7ad5;r84xo/a pcg1dz p9*4wm b xbhnm

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power ot;0*99bijs :dz s mxowf a microscope 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 doublexr5i4 9 nf,rq 0egdy4(( irmksd, what happens to its resolving power assuming that axiq4f( 95rk( s0nym4grdi ,re ll 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 lens (in diy +:qclm9wb(di0l v+topters) will allow this person to see v+lmwq lyti b+ 0(9cd: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 cle +u5t:izdgc/s arly objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be: i cu+gst5z/d 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 glasses whose lenses have power of -0.15 D. What is mozdj 7xag -.sj9*fy *the person's far poinofy * jsjgx 9d.*z7ma-t 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 neyx. 6j/jq zd4seded to correct for farsightedness where the uncorrected near point is y /4jd6j zqx.s75 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 glasses ck l(g*kg 9 yqjnor-83swgz h-90j5lellose to her eye z-qjgrlg938sw9onj (he*-k5 gykll0s, and with them she 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 hem ++ gukaljk/+ld 25 cm from his eyes, if he wears glasses j+ua +mgk+l/kof
+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 1 6dmz+qj2v4tk f3lvzhn85 q i60 cm. A person has a near point of 25 cm. What i2vid6zkv nfhj3z q+8m4q t l56s the magnification 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 of 10 cm. A person has a near pok 3wm u)8lqivn6 pr42gpg(7 96yguxwkint of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their near poivl g 4 gi )3ygru26qkmx8pn7(pw9k6uw nt?

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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. Whatem v2l3l00je as8m0kc is the magnification if the image is viewed by a relaxeekc08 320mesl0j va mld 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 magnifying ngh73 zjxwiakl0q1o :9x z9(iglass. What is the maximum 9wg19:i oiqk3xznaz0x7(hj lpossible 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.f.qq; iy7c5e d0 cm as a magnifying glass. What is the magnifi qd7f iyq5e;.ccation 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, 4.0 (nyn;x e 0h*v ek4t:idcm, 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 mag;i 4d yh*xektnnv:0(enification 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, yms*1 ilj xr0z/fn4(c4.0 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 maxmjf/i (1sx cl nyzr0*4imum 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 telec)(va3;yf zz mc r*zkn.c e0s7scope has a focal length of 200 cm and its eyepiece has a *zkz)yc 3;zsmrnea c.v( fc70 focal 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 constructs6vli ri wl s2wrw+. njspg*fs5* z-43w an astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length s -4.swwp 35gswn* +f6*ij2lvrzil rw50 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. I.kw e f5,oyo( l3uqme*f the telescope has a converging lens of focal length 50 cm, what is the resulting lel, me5w*o (qyukoe.f 3ngth 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. *5xyx7f* 27zxjf lup hIf the telescope is limited to a length of 7 zxy *xfhpfu *5l7j2x20 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 axe1s;df3y-e m 7t y*ymnd an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from x 7m1y3td*fyeym;-es 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 )heuiypv:f) 346acqr of focal 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 objective. Whata)yhqiu vcrf3e:4) 6p 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 aifg38xjzo 0a f 39coc,n eyepiece of focal length 6.00 cm. If the two lensesicj,z98o a 3g3f0fcx o 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 hm+ 5hjc3w z 4ental(s-as a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magne mn wa5c4s -ljz+t(h3ification 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 conxhhnegbcax*1+ p/7n 4stellation Orion has an angular separation of 10-5 rad. If the wavelength of the light fraxe*c1 4xph7b n +hgn/om 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 designed to resolve objects which 5z zmo:nohtj 48m.t9 m :nwbg j4o/3bhare 0.010 mm apart. If the focal length of the objective isb joht n o4j:gnmzm98b/to3:.zmhw 45 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 qon( j2ezjni(osb8u:k ;-ke; 3.5 mm to 1.5 mm as the illumination is increased. By what factor doeszjes; :ki - 8(o2ojnkeu;( nbq 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 placedl y)ay, 0f+p -chtdbj7 into Earth orbit by the space shuttle. What angular h)tb-+dylfc ,pa7jy 0 resolution could this telescope achieve if the wavelength is 500 nm?

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